{"id":234,"date":"2020-04-20T11:42:11","date_gmt":"2020-04-20T11:42:11","guid":{"rendered":"https:\/\/schoolpk.org\/mcq\/?p=234"},"modified":"2020-08-17T13:07:24","modified_gmt":"2020-08-17T13:07:24","slug":"physics-10th-class-chapter-11","status":"publish","type":"post","link":"https:\/\/murreeroad.org\/physics10\/physics-10th-class-chapter-11\/","title":{"rendered":"Physics 10th Class Chapter 11"},"content":{"rendered":"<p>        <div class=\"wpProQuiz_content\" id=\"wpProQuiz_70\">\n            <h2>Unit 11 Sound<\/h2>        <div style=\"display: none;\" class=\"wpProQuiz_time_limit\">\n            <div class=\"time\">Time limit: <span>0<\/span><\/div>\n            <div class=\"wpProQuiz_progress\"><\/div>\n        <\/div>\n                <div class=\"wpProQuiz_checkPage\" style=\"display: none;\">\n            <h4 class=\"wpProQuiz_header\">Quiz-summary<\/h4>\n\n            <p>\n                <span>0<\/span> of 25 questions completed            <\/p>\n\n            <p>Questions:<\/p>\n\n            <div style=\"margin-bottom: 20px;\" class=\"wpProQuiz_box\">\n                <ol>\n                                            <li>1<\/li>\n                                            <li>2<\/li>\n                                            <li>3<\/li>\n                                            <li>4<\/li>\n                                            <li>5<\/li>\n                                            <li>6<\/li>\n                                            <li>7<\/li>\n                                            <li>8<\/li>\n                                            <li>9<\/li>\n                                            <li>10<\/li>\n                                            <li>11<\/li>\n                                            <li>12<\/li>\n                                            <li>13<\/li>\n                                            <li>14<\/li>\n                                            <li>15<\/li>\n                                            <li>16<\/li>\n                                            <li>17<\/li>\n                                            <li>18<\/li>\n                                            <li>19<\/li>\n                                            <li>20<\/li>\n                                            <li>21<\/li>\n                                            <li>22<\/li>\n                                            <li>23<\/li>\n                                            <li>24<\/li>\n                                            <li>25<\/li>\n                                    <\/ol>\n                <div style=\"clear: both;\"><\/div>\n            <\/div>\n\n            \n            <input type=\"button\" name=\"endQuizSummary\" value=\"Finish quiz\"\n                   class=\"wpProQuiz_button\">\n        <\/div>\n                <div class=\"wpProQuiz_infopage\" style=\"display: none;\">\n            <h4>Information<\/h4>\n\n            \n            <input type=\"button\" name=\"endInfopage\" value=\"Finish quiz\"\n                   class=\"wpProQuiz_button\">\n        <\/div>\n                <div class=\"wpProQuiz_text\">\n            <p>\n                <p>Unit 11 Sound<\/p>\n            <\/p>\n\n            \n            <div>\n                <input class=\"wpProQuiz_button\" type=\"button\" value=\"Start quiz\"\n                       name=\"startQuiz\">\n            <\/div>\n        <\/div>\n                <div style=\"display: none;\" class=\"wpProQuiz_lock\">\n            <p>\n                You have already completed the quiz before. Hence you can not start it again.            <\/p>\n        <\/div>\n                <div style=\"display: none;\" class=\"wpProQuiz_loadQuiz\">\n            <p>\n                Quiz is loading...            <\/p>\n        <\/div>\n                <div style=\"display: none;\" class=\"wpProQuiz_startOnlyRegisteredUser\">\n            <p>\n                You must sign in or sign up to start the quiz.            <\/p>\n        <\/div>\n                <div style=\"display: none;\" class=\"wpProQuiz_prerequisite\">\n            <p>\n                You have to finish following quiz, to start this quiz:                <span><\/span>\n            <\/p>\n        <\/div>\n                <div style=\"display: none;\" class=\"wpProQuiz_results\">\n            <h4 class=\"wpProQuiz_header\">Results<\/h4>\n                            <p>\n                    <span class=\"wpProQuiz_correct_answer\">0<\/span> of <span>25<\/span> questions answered correctly                <\/p>\n                            <p class=\"wpProQuiz_quiz_time\">\n                    Your time: <span><\/span>                <\/p>\n                        <p class=\"wpProQuiz_time_limit_expired\" style=\"display: none;\">\n                Time has elapsed            <\/p>\n                            <p class=\"wpProQuiz_points\">\n                    You have reached <span>0<\/span> of <span>0<\/span> points, (<span>0<\/span>)                <\/p>\n                                        <div class=\"wpProQuiz_resultTable\">\n                    <table>\n                        <tbody>\n                        <tr>\n                            <td class=\"wpProQuiz_resultName\">Average score<\/td>\n                            <td class=\"wpProQuiz_resultValue\">\n                                <div style=\"background-color: #6CA54C;\">&nbsp;<\/div>\n                                <span>&nbsp;<\/span>\n                            <\/td>\n                        <\/tr>\n                        <tr>\n                            <td class=\"wpProQuiz_resultName\">Your score<\/td>\n                            <td class=\"wpProQuiz_resultValue\">\n                                <div style=\"background-color: #F79646;\">&nbsp;<\/div>\n                                <span>&nbsp;<\/span>\n                            <\/td>\n                        <\/tr>\n                        <\/tbody>\n                    <\/table>\n                <\/div>\n                        <div class=\"wpProQuiz_catOverview\" style=\"display:none;\">\n                <h4>Categories<\/h4>\n\n                <div style=\"margin-top: 10px;\">\n                    <ol>\n                                                    <li data-category_id=\"80\">\n                                <span class=\"wpProQuiz_catName\">Physics 10th Class English Medium Unit 11<\/span>\n                                <span class=\"wpProQuiz_catPercent\">0%<\/span>\n                            <\/li>\n                                            <\/ol>\n                <\/div>\n            <\/div>\n            <div>\n                <ul class=\"wpProQuiz_resultsList\">\n                                            <li style=\"display: none;\">\n                            <div>\n                                                            <\/div>\n                        <\/li>\n                                    <\/ul>\n            <\/div>\n                        <div style=\"margin: 10px 0px;\">\n                                    <input class=\"wpProQuiz_button\" type=\"button\" name=\"restartQuiz\"\n                           value=\"Restart quiz\">\n                                    <input class=\"wpProQuiz_button\" type=\"button\" name=\"reShowQuestion\"\n                           value=\"View questions\">\n                                            <\/div>\n        <\/div>\n                <div class=\"wpProQuiz_reviewDiv\" style=\"display: none;\">\n            <div class=\"wpProQuiz_reviewQuestion\">\n                <ol>\n                                            <li>1<\/li>\n                                            <li>2<\/li>\n                                            <li>3<\/li>\n                                            <li>4<\/li>\n                                            <li>5<\/li>\n                                            <li>6<\/li>\n                                            <li>7<\/li>\n                                            <li>8<\/li>\n                                            <li>9<\/li>\n                                            <li>10<\/li>\n                                            <li>11<\/li>\n                                            <li>12<\/li>\n                                            <li>13<\/li>\n                                            <li>14<\/li>\n                                            <li>15<\/li>\n                                            <li>16<\/li>\n                                            <li>17<\/li>\n                                            <li>18<\/li>\n                                            <li>19<\/li>\n                                            <li>20<\/li>\n                                            <li>21<\/li>\n                                            <li>22<\/li>\n                                            <li>23<\/li>\n                                            <li>24<\/li>\n                                            <li>25<\/li>\n                                    <\/ol>\n                <div style=\"display: none;\"><\/div>\n            <\/div>\n            <div class=\"wpProQuiz_reviewLegend\">\n                <ol>\n                    <li>\n                        <span class=\"wpProQuiz_reviewColor\" style=\"background-color: #6CA54C;\"><\/span>\n                        <span class=\"wpProQuiz_reviewText\">Answered<\/span>\n                    <\/li>\n                    <li>\n                        <span class=\"wpProQuiz_reviewColor\" style=\"background-color: #FFB800;\"><\/span>\n                        <span class=\"wpProQuiz_reviewText\">Review<\/span>\n                    <\/li>\n                <\/ol>\n                <div style=\"clear: both;\"><\/div>\n            <\/div>\n            <div>\n                                    <input type=\"button\" name=\"review\" value=\"Review question\"\n                           class=\"wpProQuiz_button2\" style=\"float: left; display: block;\">\n                                            <input type=\"button\" name=\"quizSummary\"\n                               value=\"Quiz-summary\" class=\"wpProQuiz_button2\"\n                               style=\"float: right;\">\n                                        <div style=\"clear: both;\"><\/div>\n                            <\/div>\n        <\/div>\n                <div class=\"wpProQuiz_quizAnker\" style=\"display: none;\"><\/div>\n                <div style=\"display: none;\" class=\"wpProQuiz_quiz\">\n            <ol class=\"wpProQuiz_list\">\n                                    <li class=\"wpProQuiz_listItem\" style=\"display: none;\">\n                        <div\n                            class=\"wpProQuiz_question_page\"  >\n                            Question <span>1<\/span> of <span>25<\/span>                        <\/div>\n                        <h5 style=\"display: inline-block;\"\n                            class=\"wpProQuiz_header\">\n                            <span>1<\/span>. Question                        <\/h5>\n\n                        \n                                                <div class=\"wpProQuiz_question\" style=\"margin: 10px 0 0 0;\">\n                            <div class=\"wpProQuiz_question_text\">\n                                <p>For normal person audible frequency range for sound wave lies between.<\/p>\n                            <\/div>\n                                                        <ul class=\"wpProQuiz_questionList\" data-question_id=\"971\"\n                                data-type=\"multiple\">\n                                \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"0\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_971\"\n                                                       value=\"1\"> 10 Hz and 10KHz\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"1\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_971\"\n                                                       value=\"2\"> 20 Hz and 20KHz\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"2\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_971\"\n                                                       value=\"3\"> 25 Hz and 25KHz\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"3\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_971\"\n                                                       value=\"4\"> 30 Hz and 30KHz\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                                                <\/ul>\n                        <\/div>\n                                                    <div class=\"wpProQuiz_response\" style=\"display: none;\">\n                                <div style=\"display: none;\" class=\"wpProQuiz_correct\">\n                                                                            <span class=\"wpProQuiz_respone_span\">\n\t\t\t\t\t\t\t\t\tCorrect\t\t\t\t\t\t\t\t<\/span><br>\n                                    <p><\/p>                                <\/div>\n                                <div style=\"display: none;\" class=\"wpProQuiz_incorrect\">\n                                                                            <span class=\"wpProQuiz_respone_span\">\n\t\t\t\t\t\t\t\t\tIncorrect\t\t\t\t\t\t\t\t<\/span><br>\n                                    <p><\/p>                                <\/div>\n                            <\/div>\n                        \n                        \n                                                <input type=\"button\" name=\"back\" value=\"Back\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\"\n                               style=\"float: left !important; margin-right: 10px !important; display: none;\">\n                                                <input type=\"button\" name=\"check\" value=\"Check\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\"\n                               style=\"float: right !important; margin-right: 10px !important; display: none;\">\n                        <input type=\"button\" name=\"next\" value=\"Next\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\" style=\"float: right; display: none;\">\n\n                        <div style=\"clear: both;\"><\/div>\n\n                        \n                    <\/li>\n\n                                    <li class=\"wpProQuiz_listItem\" style=\"display: none;\">\n                        <div\n                            class=\"wpProQuiz_question_page\"  >\n                            Question <span>2<\/span> of <span>25<\/span>                        <\/div>\n                        <h5 style=\"display: inline-block;\"\n                            class=\"wpProQuiz_header\">\n                            <span>2<\/span>. Question                        <\/h5>\n\n                        \n                                                <div class=\"wpProQuiz_question\" style=\"margin: 10px 0 0 0;\">\n                            <div class=\"wpProQuiz_question_text\">\n                                <p>High pitch means:<\/p>\n                            <\/div>\n                                                        <ul class=\"wpProQuiz_questionList\" data-question_id=\"972\"\n                                data-type=\"multiple\">\n                                \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"0\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_972\"\n                                                       value=\"1\"> High wavelength\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"1\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_972\"\n                                                       value=\"2\"> High frequency\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"2\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_972\"\n                                                       value=\"3\"> High time period\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"3\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_972\"\n                                                       value=\"4\"> High energy\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                                                <\/ul>\n                        <\/div>\n                                                    <div class=\"wpProQuiz_response\" style=\"display: none;\">\n                                <div style=\"display: none;\" class=\"wpProQuiz_correct\">\n                                                                            <span class=\"wpProQuiz_respone_span\">\n\t\t\t\t\t\t\t\t\tCorrect\t\t\t\t\t\t\t\t<\/span><br>\n                                    <p><\/p>                                <\/div>\n                                <div style=\"display: none;\" class=\"wpProQuiz_incorrect\">\n                                                                            <span class=\"wpProQuiz_respone_span\">\n\t\t\t\t\t\t\t\t\tIncorrect\t\t\t\t\t\t\t\t<\/span><br>\n                                    <p><\/p>                                <\/div>\n                            <\/div>\n                        \n                        \n                                                <input type=\"button\" name=\"back\" value=\"Back\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\"\n                               style=\"float: left !important; margin-right: 10px !important; display: none;\">\n                                                <input type=\"button\" name=\"check\" value=\"Check\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\"\n                               style=\"float: right !important; margin-right: 10px !important; display: none;\">\n                        <input type=\"button\" name=\"next\" value=\"Next\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\" style=\"float: right; display: none;\">\n\n                        <div style=\"clear: both;\"><\/div>\n\n                        \n                    <\/li>\n\n                                    <li class=\"wpProQuiz_listItem\" style=\"display: none;\">\n                        <div\n                            class=\"wpProQuiz_question_page\"  >\n                            Question <span>3<\/span> of <span>25<\/span>                        <\/div>\n                        <h5 style=\"display: inline-block;\"\n                            class=\"wpProQuiz_header\">\n                            <span>3<\/span>. Question                        <\/h5>\n\n                        \n                                                <div class=\"wpProQuiz_question\" style=\"margin: 10px 0 0 0;\">\n                            <div class=\"wpProQuiz_question_text\">\n                                <p>The frequency of silent whistle is:<\/p>\n                            <\/div>\n                                                        <ul class=\"wpProQuiz_questionList\" data-question_id=\"973\"\n                                data-type=\"multiple\">\n                                \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"0\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_973\"\n                                                       value=\"1\"> 20,000 Hz - 25000 Hz\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"1\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_973\"\n                                                       value=\"2\"> 2000 Hz - 25000 Hz\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"2\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_973\"\n                                                       value=\"3\"> 200 Hz - 2000 Hz\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"3\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_973\"\n                                                       value=\"4\"> 25000 Hz\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                                                <\/ul>\n                        <\/div>\n                                                    <div class=\"wpProQuiz_response\" style=\"display: none;\">\n                                <div style=\"display: none;\" class=\"wpProQuiz_correct\">\n                                                                            <span class=\"wpProQuiz_respone_span\">\n\t\t\t\t\t\t\t\t\tCorrect\t\t\t\t\t\t\t\t<\/span><br>\n                                    <p><\/p>                                <\/div>\n                                <div style=\"display: none;\" class=\"wpProQuiz_incorrect\">\n                                                                            <span class=\"wpProQuiz_respone_span\">\n\t\t\t\t\t\t\t\t\tIncorrect\t\t\t\t\t\t\t\t<\/span><br>\n                                    <p><\/p>                                <\/div>\n                            <\/div>\n                        \n                        \n                                                <input type=\"button\" name=\"back\" value=\"Back\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\"\n                               style=\"float: left !important; margin-right: 10px !important; display: none;\">\n                                                <input type=\"button\" name=\"check\" value=\"Check\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\"\n                               style=\"float: right !important; margin-right: 10px !important; display: none;\">\n                        <input type=\"button\" name=\"next\" value=\"Next\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\" style=\"float: right; display: none;\">\n\n                        <div style=\"clear: both;\"><\/div>\n\n                        \n                    <\/li>\n\n                                    <li class=\"wpProQuiz_listItem\" style=\"display: none;\">\n                        <div\n                            class=\"wpProQuiz_question_page\"  >\n                            Question <span>4<\/span> of <span>25<\/span>                        <\/div>\n                        <h5 style=\"display: inline-block;\"\n                            class=\"wpProQuiz_header\">\n                            <span>4<\/span>. Question                        <\/h5>\n\n                        \n                                                <div class=\"wpProQuiz_question\" style=\"margin: 10px 0 0 0;\">\n                            <div class=\"wpProQuiz_question_text\">\n                                <p>The waves, which are used to detect the broken bones are called:<\/p>\n                            <\/div>\n                                                        <ul class=\"wpProQuiz_questionList\" data-question_id=\"974\"\n                                data-type=\"multiple\">\n                                \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"0\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_974\"\n                                                       value=\"1\"> Light waves\r\n\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"1\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_974\"\n                                                       value=\"2\"> x-rays\r\n\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"2\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_974\"\n                                                       value=\"3\"> sound waves\r\n\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"3\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_974\"\n                                                       value=\"4\"> both b and c\r\n\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                                                <\/ul>\n                        <\/div>\n                                                    <div class=\"wpProQuiz_response\" style=\"display: none;\">\n                                <div style=\"display: none;\" class=\"wpProQuiz_correct\">\n                                                                            <span class=\"wpProQuiz_respone_span\">\n\t\t\t\t\t\t\t\t\tCorrect\t\t\t\t\t\t\t\t<\/span><br>\n                                    <p><\/p>                                <\/div>\n                                <div style=\"display: none;\" class=\"wpProQuiz_incorrect\">\n                                                                            <span class=\"wpProQuiz_respone_span\">\n\t\t\t\t\t\t\t\t\tIncorrect\t\t\t\t\t\t\t\t<\/span><br>\n                                    <p><\/p>                                <\/div>\n                            <\/div>\n                        \n                        \n                                                <input type=\"button\" name=\"back\" value=\"Back\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\"\n                               style=\"float: left !important; margin-right: 10px !important; display: none;\">\n                                                <input type=\"button\" name=\"check\" value=\"Check\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\"\n                               style=\"float: right !important; margin-right: 10px !important; display: none;\">\n                        <input type=\"button\" name=\"next\" value=\"Next\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\" style=\"float: right; display: none;\">\n\n                        <div style=\"clear: both;\"><\/div>\n\n                        \n                    <\/li>\n\n                                    <li class=\"wpProQuiz_listItem\" style=\"display: none;\">\n                        <div\n                            class=\"wpProQuiz_question_page\"  >\n                            Question <span>5<\/span> of <span>25<\/span>                        <\/div>\n                        <h5 style=\"display: inline-block;\"\n                            class=\"wpProQuiz_header\">\n                            <span>5<\/span>. Question                        <\/h5>\n\n                        \n                                                <div class=\"wpProQuiz_question\" style=\"margin: 10px 0 0 0;\">\n                            <div class=\"wpProQuiz_question_text\">\n                                <p>After how much time the echo must be heard?<\/p>\n                            <\/div>\n                                                        <ul class=\"wpProQuiz_questionList\" data-question_id=\"975\"\n                                data-type=\"multiple\">\n                                \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"0\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_975\"\n                                                       value=\"1\"> 0.1 s\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"1\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_975\"\n                                                       value=\"2\"> 0.10 s\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"2\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_975\"\n                                                       value=\"3\"> 0.20 s\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"3\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_975\"\n                                                       value=\"4\"> 0.50 s\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                                                <\/ul>\n                        <\/div>\n                                                    <div class=\"wpProQuiz_response\" style=\"display: none;\">\n                                <div style=\"display: none;\" class=\"wpProQuiz_correct\">\n                                                                            <span class=\"wpProQuiz_respone_span\">\n\t\t\t\t\t\t\t\t\tCorrect\t\t\t\t\t\t\t\t<\/span><br>\n                                    <p><\/p>                                <\/div>\n                                <div style=\"display: none;\" class=\"wpProQuiz_incorrect\">\n                                                                            <span class=\"wpProQuiz_respone_span\">\n\t\t\t\t\t\t\t\t\tIncorrect\t\t\t\t\t\t\t\t<\/span><br>\n                                    <p><\/p>                                <\/div>\n                            <\/div>\n                        \n                        \n                                                <input type=\"button\" name=\"back\" value=\"Back\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\"\n                               style=\"float: left !important; margin-right: 10px !important; display: none;\">\n                                                <input type=\"button\" name=\"check\" value=\"Check\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\"\n                               style=\"float: right !important; margin-right: 10px !important; display: none;\">\n                        <input type=\"button\" name=\"next\" value=\"Next\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\" style=\"float: right; display: none;\">\n\n                        <div style=\"clear: both;\"><\/div>\n\n                        \n                    <\/li>\n\n                                    <li class=\"wpProQuiz_listItem\" style=\"display: none;\">\n                        <div\n                            class=\"wpProQuiz_question_page\"  >\n                            Question <span>6<\/span> of <span>25<\/span>                        <\/div>\n                        <h5 style=\"display: inline-block;\"\n                            class=\"wpProQuiz_header\">\n                            <span>6<\/span>. Question                        <\/h5>\n\n                        \n                                                <div class=\"wpProQuiz_question\" style=\"margin: 10px 0 0 0;\">\n                            <div class=\"wpProQuiz_question_text\">\n                                <p>The distance between two consecutive compressions or rarefactions in longitudinal waves is called:<\/p>\n                            <\/div>\n                                                        <ul class=\"wpProQuiz_questionList\" data-question_id=\"976\"\n                                data-type=\"multiple\">\n                                \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"0\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_976\"\n                                                       value=\"1\"> Amplitude\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"1\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_976\"\n                                                       value=\"2\"> Wavelength\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"2\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_976\"\n                                                       value=\"3\"> Half wavelength\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"3\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_976\"\n                                                       value=\"4\"> 1\/4 wavelength\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                                                <\/ul>\n                        <\/div>\n                                                    <div class=\"wpProQuiz_response\" style=\"display: none;\">\n                                <div style=\"display: none;\" class=\"wpProQuiz_correct\">\n                                                                            <span class=\"wpProQuiz_respone_span\">\n\t\t\t\t\t\t\t\t\tCorrect\t\t\t\t\t\t\t\t<\/span><br>\n                                    <p><\/p>                                <\/div>\n                                <div style=\"display: none;\" class=\"wpProQuiz_incorrect\">\n                                                                            <span class=\"wpProQuiz_respone_span\">\n\t\t\t\t\t\t\t\t\tIncorrect\t\t\t\t\t\t\t\t<\/span><br>\n                                    <p><\/p>                                <\/div>\n                            <\/div>\n                        \n                        \n                                                <input type=\"button\" name=\"back\" value=\"Back\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\"\n                               style=\"float: left !important; margin-right: 10px !important; display: none;\">\n                                                <input type=\"button\" name=\"check\" value=\"Check\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\"\n                               style=\"float: right !important; margin-right: 10px !important; display: none;\">\n                        <input type=\"button\" name=\"next\" value=\"Next\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\" style=\"float: right; display: none;\">\n\n                        <div style=\"clear: both;\"><\/div>\n\n                        \n                    <\/li>\n\n                                    <li class=\"wpProQuiz_listItem\" style=\"display: none;\">\n                        <div\n                            class=\"wpProQuiz_question_page\"  >\n                            Question <span>7<\/span> of <span>25<\/span>                        <\/div>\n                        <h5 style=\"display: inline-block;\"\n                            class=\"wpProQuiz_header\">\n                            <span>7<\/span>. Question                        <\/h5>\n\n                        \n                                                <div class=\"wpProQuiz_question\" style=\"margin: 10px 0 0 0;\">\n                            <div class=\"wpProQuiz_question_text\">\n                                <p>The waves which travel in straight line through space and have strong signals are called:<\/p>\n                            <\/div>\n                                                        <ul class=\"wpProQuiz_questionList\" data-question_id=\"977\"\n                                data-type=\"multiple\">\n                                \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"0\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_977\"\n                                                       value=\"1\"> Micro waves\r\n\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"1\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_977\"\n                                                       value=\"2\"> Mechanical waves\r\n\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"2\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_977\"\n                                                       value=\"3\"> Light waves\r\n\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"3\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_977\"\n                                                       value=\"4\"> Magnet waves\r\n\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                                                <\/ul>\n                        <\/div>\n                                                    <div class=\"wpProQuiz_response\" style=\"display: none;\">\n                                <div style=\"display: none;\" class=\"wpProQuiz_correct\">\n                                                                            <span class=\"wpProQuiz_respone_span\">\n\t\t\t\t\t\t\t\t\tCorrect\t\t\t\t\t\t\t\t<\/span><br>\n                                    <p><\/p>                                <\/div>\n                                <div style=\"display: none;\" class=\"wpProQuiz_incorrect\">\n                                                                            <span class=\"wpProQuiz_respone_span\">\n\t\t\t\t\t\t\t\t\tIncorrect\t\t\t\t\t\t\t\t<\/span><br>\n                                    <p><\/p>                                <\/div>\n                            <\/div>\n                        \n                        \n                                                <input type=\"button\" name=\"back\" value=\"Back\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\"\n                               style=\"float: left !important; margin-right: 10px !important; display: none;\">\n                                                <input type=\"button\" name=\"check\" value=\"Check\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\"\n                               style=\"float: right !important; margin-right: 10px !important; display: none;\">\n                        <input type=\"button\" name=\"next\" value=\"Next\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\" style=\"float: right; display: none;\">\n\n                        <div style=\"clear: both;\"><\/div>\n\n                        \n                    <\/li>\n\n                                    <li class=\"wpProQuiz_listItem\" style=\"display: none;\">\n                        <div\n                            class=\"wpProQuiz_question_page\"  >\n                            Question <span>8<\/span> of <span>25<\/span>                        <\/div>\n                        <h5 style=\"display: inline-block;\"\n                            class=\"wpProQuiz_header\">\n                            <span>8<\/span>. Question                        <\/h5>\n\n                        \n                                                <div class=\"wpProQuiz_question\" style=\"margin: 10px 0 0 0;\">\n                            <div class=\"wpProQuiz_question_text\">\n                                <p>The speed of sound in iron at 25 oC is ms-1<\/p>\n                            <\/div>\n                                                        <ul class=\"wpProQuiz_questionList\" data-question_id=\"978\"\n                                data-type=\"multiple\">\n                                \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"0\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_978\"\n                                                       value=\"1\"> 5950\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"1\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_978\"\n                                                       value=\"2\"> 5900                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"2\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_978\"\n                                                       value=\"3\"> 6950\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"3\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_978\"\n                                                       value=\"4\"> 6940\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                                                <\/ul>\n                        <\/div>\n                                                    <div class=\"wpProQuiz_response\" style=\"display: none;\">\n                                <div style=\"display: none;\" class=\"wpProQuiz_correct\">\n                                                                            <span class=\"wpProQuiz_respone_span\">\n\t\t\t\t\t\t\t\t\tCorrect\t\t\t\t\t\t\t\t<\/span><br>\n                                    <p><\/p>                                <\/div>\n                                <div style=\"display: none;\" class=\"wpProQuiz_incorrect\">\n                                                                            <span class=\"wpProQuiz_respone_span\">\n\t\t\t\t\t\t\t\t\tIncorrect\t\t\t\t\t\t\t\t<\/span><br>\n                                    <p><\/p>                                <\/div>\n                            <\/div>\n                        \n                        \n                                                <input type=\"button\" name=\"back\" value=\"Back\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\"\n                               style=\"float: left !important; margin-right: 10px !important; display: none;\">\n                                                <input type=\"button\" name=\"check\" value=\"Check\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\"\n                               style=\"float: right !important; margin-right: 10px !important; display: none;\">\n                        <input type=\"button\" name=\"next\" value=\"Next\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\" style=\"float: right; display: none;\">\n\n                        <div style=\"clear: both;\"><\/div>\n\n                        \n                    <\/li>\n\n                                    <li class=\"wpProQuiz_listItem\" style=\"display: none;\">\n                        <div\n                            class=\"wpProQuiz_question_page\"  >\n                            Question <span>9<\/span> of <span>25<\/span>                        <\/div>\n                        <h5 style=\"display: inline-block;\"\n                            class=\"wpProQuiz_header\">\n                            <span>9<\/span>. Question                        <\/h5>\n\n                        \n                                                <div class=\"wpProQuiz_question\" style=\"margin: 10px 0 0 0;\">\n                            <div class=\"wpProQuiz_question_text\">\n                                <p>Ripple tank is an instrument which is used to study the characteristics of:<\/p>\n                            <\/div>\n                                                        <ul class=\"wpProQuiz_questionList\" data-question_id=\"979\"\n                                data-type=\"multiple\">\n                                \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"0\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_979\"\n                                                       value=\"1\"> Mechanical waves\r\n\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"1\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_979\"\n                                                       value=\"2\"> Light waves\r\n\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"2\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_979\"\n                                                       value=\"3\"> Radio waves\r\n\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"3\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_979\"\n                                                       value=\"4\"> Electro-magnet waves\r\n\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                                                <\/ul>\n                        <\/div>\n                                                    <div class=\"wpProQuiz_response\" style=\"display: none;\">\n                                <div style=\"display: none;\" class=\"wpProQuiz_correct\">\n                                                                            <span class=\"wpProQuiz_respone_span\">\n\t\t\t\t\t\t\t\t\tCorrect\t\t\t\t\t\t\t\t<\/span><br>\n                                    <p><\/p>                                <\/div>\n                                <div style=\"display: none;\" class=\"wpProQuiz_incorrect\">\n                                                                            <span class=\"wpProQuiz_respone_span\">\n\t\t\t\t\t\t\t\t\tIncorrect\t\t\t\t\t\t\t\t<\/span><br>\n                                    <p><\/p>                                <\/div>\n                            <\/div>\n                        \n                        \n                                                <input type=\"button\" name=\"back\" value=\"Back\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\"\n                               style=\"float: left !important; margin-right: 10px !important; display: none;\">\n                                                <input type=\"button\" name=\"check\" value=\"Check\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\"\n                               style=\"float: right !important; margin-right: 10px !important; display: none;\">\n                        <input type=\"button\" name=\"next\" value=\"Next\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\" style=\"float: right; display: none;\">\n\n                        <div style=\"clear: both;\"><\/div>\n\n                        \n                    <\/li>\n\n                                    <li class=\"wpProQuiz_listItem\" style=\"display: none;\">\n                        <div\n                            class=\"wpProQuiz_question_page\"  >\n                            Question <span>10<\/span> of <span>25<\/span>                        <\/div>\n                        <h5 style=\"display: inline-block;\"\n                            class=\"wpProQuiz_header\">\n                            <span>10<\/span>. Question                        <\/h5>\n\n                        \n                                                <div class=\"wpProQuiz_question\" style=\"margin: 10px 0 0 0;\">\n                            <div class=\"wpProQuiz_question_text\">\n                                <p>At mean position of pendulum, the potential energy of the pendulum is:<\/p>\n                            <\/div>\n                                                        <ul class=\"wpProQuiz_questionList\" data-question_id=\"980\"\n                                data-type=\"multiple\">\n                                \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"0\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_980\"\n                                                       value=\"1\"> Maximum\r\n\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"1\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_980\"\n                                                       value=\"2\"> Minimum\r\n\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"2\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_980\"\n                                                       value=\"3\"> Much more\r\n\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"3\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_980\"\n                                                       value=\"4\"> Both a and c\r\n\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                                                <\/ul>\n                        <\/div>\n                                                    <div class=\"wpProQuiz_response\" style=\"display: none;\">\n                                <div style=\"display: none;\" class=\"wpProQuiz_correct\">\n                                                                            <span class=\"wpProQuiz_respone_span\">\n\t\t\t\t\t\t\t\t\tCorrect\t\t\t\t\t\t\t\t<\/span><br>\n                                    <p><\/p>                                <\/div>\n                                <div style=\"display: none;\" class=\"wpProQuiz_incorrect\">\n                                                                            <span class=\"wpProQuiz_respone_span\">\n\t\t\t\t\t\t\t\t\tIncorrect\t\t\t\t\t\t\t\t<\/span><br>\n                                    <p><\/p>                                <\/div>\n                            <\/div>\n                        \n                        \n                                                <input type=\"button\" name=\"back\" value=\"Back\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\"\n                               style=\"float: left !important; margin-right: 10px !important; display: none;\">\n                                                <input type=\"button\" name=\"check\" value=\"Check\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\"\n                               style=\"float: right !important; margin-right: 10px !important; display: none;\">\n                        <input type=\"button\" name=\"next\" value=\"Next\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\" style=\"float: right; display: none;\">\n\n                        <div style=\"clear: both;\"><\/div>\n\n                        \n                    <\/li>\n\n                                    <li class=\"wpProQuiz_listItem\" style=\"display: none;\">\n                        <div\n                            class=\"wpProQuiz_question_page\"  >\n                            Question <span>11<\/span> of <span>25<\/span>                        <\/div>\n                        <h5 style=\"display: inline-block;\"\n                            class=\"wpProQuiz_header\">\n                            <span>11<\/span>. Question                        <\/h5>\n\n                        \n                                                <div class=\"wpProQuiz_question\" style=\"margin: 10px 0 0 0;\">\n                            <div class=\"wpProQuiz_question_text\">\n                                <p>Bets can hear sound of frequency up to:<\/p>\n                            <\/div>\n                                                        <ul class=\"wpProQuiz_questionList\" data-question_id=\"981\"\n                                data-type=\"multiple\">\n                                \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"0\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_981\"\n                                                       value=\"1\"> 100,000 Hz\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"1\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_981\"\n                                                       value=\"2\"> 25000 Hz\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"2\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_981\"\n                                                       value=\"3\"> 120,000 Hz\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"3\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_981\"\n                                                       value=\"4\"> 1000 Hz\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                                                <\/ul>\n                        <\/div>\n                                                    <div class=\"wpProQuiz_response\" style=\"display: none;\">\n                                <div style=\"display: none;\" class=\"wpProQuiz_correct\">\n                                                                            <span class=\"wpProQuiz_respone_span\">\n\t\t\t\t\t\t\t\t\tCorrect\t\t\t\t\t\t\t\t<\/span><br>\n                                    <p><\/p>                                <\/div>\n                                <div style=\"display: none;\" class=\"wpProQuiz_incorrect\">\n                                                                            <span class=\"wpProQuiz_respone_span\">\n\t\t\t\t\t\t\t\t\tIncorrect\t\t\t\t\t\t\t\t<\/span><br>\n                                    <p><\/p>                                <\/div>\n                            <\/div>\n                        \n                        \n                                                <input type=\"button\" name=\"back\" value=\"Back\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\"\n                               style=\"float: left !important; margin-right: 10px !important; display: none;\">\n                                                <input type=\"button\" name=\"check\" value=\"Check\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\"\n                               style=\"float: right !important; margin-right: 10px !important; display: none;\">\n                        <input type=\"button\" name=\"next\" value=\"Next\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\" style=\"float: right; display: none;\">\n\n                        <div style=\"clear: both;\"><\/div>\n\n                        \n                    <\/li>\n\n                                    <li class=\"wpProQuiz_listItem\" style=\"display: none;\">\n                        <div\n                            class=\"wpProQuiz_question_page\"  >\n                            Question <span>12<\/span> of <span>25<\/span>                        <\/div>\n                        <h5 style=\"display: inline-block;\"\n                            class=\"wpProQuiz_header\">\n                            <span>12<\/span>. Question                        <\/h5>\n\n                        \n                                                <div class=\"wpProQuiz_question\" style=\"margin: 10px 0 0 0;\">\n                            <div class=\"wpProQuiz_question_text\">\n                                <p>In simple harmonic motion, the acceleration of the body is\u2026\u2026\u2026\u2026. Proportional to the displacement.<\/p>\n                            <\/div>\n                                                        <ul class=\"wpProQuiz_questionList\" data-question_id=\"982\"\n                                data-type=\"multiple\">\n                                \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"0\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_982\"\n                                                       value=\"1\"> Inversely\r\n\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"1\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_982\"\n                                                       value=\"2\"> Directly\r\n\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"2\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_982\"\n                                                       value=\"3\"> Equally\r\n\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"3\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_982\"\n                                                       value=\"4\"> Ration\r\n\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                                                <\/ul>\n                        <\/div>\n                                                    <div class=\"wpProQuiz_response\" style=\"display: none;\">\n                                <div style=\"display: none;\" class=\"wpProQuiz_correct\">\n                                                                            <span class=\"wpProQuiz_respone_span\">\n\t\t\t\t\t\t\t\t\tCorrect\t\t\t\t\t\t\t\t<\/span><br>\n                                    <p><\/p>                                <\/div>\n                                <div style=\"display: none;\" class=\"wpProQuiz_incorrect\">\n                                                                            <span class=\"wpProQuiz_respone_span\">\n\t\t\t\t\t\t\t\t\tIncorrect\t\t\t\t\t\t\t\t<\/span><br>\n                                    <p><\/p>                                <\/div>\n                            <\/div>\n                        \n                        \n                                                <input type=\"button\" name=\"back\" value=\"Back\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\"\n                               style=\"float: left !important; margin-right: 10px !important; display: none;\">\n                                                <input type=\"button\" name=\"check\" value=\"Check\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\"\n                               style=\"float: right !important; margin-right: 10px !important; display: none;\">\n                        <input type=\"button\" name=\"next\" value=\"Next\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\" style=\"float: right; display: none;\">\n\n                        <div style=\"clear: both;\"><\/div>\n\n                        \n                    <\/li>\n\n                                    <li class=\"wpProQuiz_listItem\" style=\"display: none;\">\n                        <div\n                            class=\"wpProQuiz_question_page\"  >\n                            Question <span>13<\/span> of <span>25<\/span>                        <\/div>\n                        <h5 style=\"display: inline-block;\"\n                            class=\"wpProQuiz_header\">\n                            <span>13<\/span>. Question                        <\/h5>\n\n                        \n                                                <div class=\"wpProQuiz_question\" style=\"margin: 10px 0 0 0;\">\n                            <div class=\"wpProQuiz_question_text\">\n                                <p>The study of sound  is called<\/p>\n                            <\/div>\n                                                        <ul class=\"wpProQuiz_questionList\" data-question_id=\"7237\"\n                                data-type=\"multiple\">\n                                \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"0\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7237\"\n                                                       value=\"1\"> Acoustic                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"1\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7237\"\n                                                       value=\"2\"> Optics                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"2\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7237\"\n                                                       value=\"3\"> Electrostatics                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"3\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7237\"\n                                                       value=\"4\"> All of these                                            <\/label>\n\n                                                                            <\/li>\n                                                                <\/ul>\n                        <\/div>\n                                                    <div class=\"wpProQuiz_response\" style=\"display: none;\">\n                                <div style=\"display: none;\" class=\"wpProQuiz_correct\">\n                                                                            <span class=\"wpProQuiz_respone_span\">\n\t\t\t\t\t\t\t\t\tCorrect\t\t\t\t\t\t\t\t<\/span><br>\n                                    <p><\/p>                                <\/div>\n                                <div style=\"display: none;\" class=\"wpProQuiz_incorrect\">\n                                                                            <span class=\"wpProQuiz_respone_span\">\n\t\t\t\t\t\t\t\t\tIncorrect\t\t\t\t\t\t\t\t<\/span><br>\n                                    <p><\/p>                                <\/div>\n                            <\/div>\n                        \n                        \n                                                <input type=\"button\" name=\"back\" value=\"Back\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\"\n                               style=\"float: left !important; margin-right: 10px !important; display: none;\">\n                                                <input type=\"button\" name=\"check\" value=\"Check\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\"\n                               style=\"float: right !important; margin-right: 10px !important; display: none;\">\n                        <input type=\"button\" name=\"next\" value=\"Next\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\" style=\"float: right; display: none;\">\n\n                        <div style=\"clear: both;\"><\/div>\n\n                        \n                    <\/li>\n\n                                    <li class=\"wpProQuiz_listItem\" style=\"display: none;\">\n                        <div\n                            class=\"wpProQuiz_question_page\"  >\n                            Question <span>14<\/span> of <span>25<\/span>                        <\/div>\n                        <h5 style=\"display: inline-block;\"\n                            class=\"wpProQuiz_header\">\n                            <span>14<\/span>. Question                        <\/h5>\n\n                        \n                                                <div class=\"wpProQuiz_question\" style=\"margin: 10px 0 0 0;\">\n                            <div class=\"wpProQuiz_question_text\">\n                                <p>Sound  is produced by _________<\/p>\n                            <\/div>\n                                                        <ul class=\"wpProQuiz_questionList\" data-question_id=\"7238\"\n                                data-type=\"multiple\">\n                                \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"0\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7238\"\n                                                       value=\"1\"> Propagation                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"1\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7238\"\n                                                       value=\"2\"> Vibration                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"2\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7238\"\n                                                       value=\"3\"> Both of these                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"3\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7238\"\n                                                       value=\"4\"> None of these                                            <\/label>\n\n                                                                            <\/li>\n                                                                <\/ul>\n                        <\/div>\n                                                    <div class=\"wpProQuiz_response\" style=\"display: none;\">\n                                <div style=\"display: none;\" class=\"wpProQuiz_correct\">\n                                                                            <span class=\"wpProQuiz_respone_span\">\n\t\t\t\t\t\t\t\t\tCorrect\t\t\t\t\t\t\t\t<\/span><br>\n                                    <p><\/p>                                <\/div>\n                                <div style=\"display: none;\" class=\"wpProQuiz_incorrect\">\n                                                                            <span class=\"wpProQuiz_respone_span\">\n\t\t\t\t\t\t\t\t\tIncorrect\t\t\t\t\t\t\t\t<\/span><br>\n                                    <p><\/p>                                <\/div>\n                            <\/div>\n                        \n                        \n                                                <input type=\"button\" name=\"back\" value=\"Back\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\"\n                               style=\"float: left !important; margin-right: 10px !important; display: none;\">\n                                                <input type=\"button\" name=\"check\" value=\"Check\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\"\n                               style=\"float: right !important; margin-right: 10px !important; display: none;\">\n                        <input type=\"button\" name=\"next\" value=\"Next\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\" style=\"float: right; display: none;\">\n\n                        <div style=\"clear: both;\"><\/div>\n\n                        \n                    <\/li>\n\n                                    <li class=\"wpProQuiz_listItem\" style=\"display: none;\">\n                        <div\n                            class=\"wpProQuiz_question_page\"  >\n                            Question <span>15<\/span> of <span>25<\/span>                        <\/div>\n                        <h5 style=\"display: inline-block;\"\n                            class=\"wpProQuiz_header\">\n                            <span>15<\/span>. Question                        <\/h5>\n\n                        \n                                                <div class=\"wpProQuiz_question\" style=\"margin: 10px 0 0 0;\">\n                            <div class=\"wpProQuiz_question_text\">\n                                <p>Sound  can travel only in presence of<\/p>\n                            <\/div>\n                                                        <ul class=\"wpProQuiz_questionList\" data-question_id=\"7239\"\n                                data-type=\"multiple\">\n                                \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"0\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7239\"\n                                                       value=\"1\"> Medium                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"1\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7239\"\n                                                       value=\"2\"> vaccum                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"2\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7239\"\n                                                       value=\"3\"> Air                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"3\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7239\"\n                                                       value=\"4\"> Both a and c                                            <\/label>\n\n                                                                            <\/li>\n                                                                <\/ul>\n                        <\/div>\n                                                    <div class=\"wpProQuiz_response\" style=\"display: none;\">\n                                <div style=\"display: none;\" class=\"wpProQuiz_correct\">\n                                                                            <span class=\"wpProQuiz_respone_span\">\n\t\t\t\t\t\t\t\t\tCorrect\t\t\t\t\t\t\t\t<\/span><br>\n                                    <p><\/p>                                <\/div>\n                                <div style=\"display: none;\" class=\"wpProQuiz_incorrect\">\n                                                                            <span class=\"wpProQuiz_respone_span\">\n\t\t\t\t\t\t\t\t\tIncorrect\t\t\t\t\t\t\t\t<\/span><br>\n                                    <p><\/p>                                <\/div>\n                            <\/div>\n                        \n                        \n                                                <input type=\"button\" name=\"back\" value=\"Back\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\"\n                               style=\"float: left !important; margin-right: 10px !important; display: none;\">\n                                                <input type=\"button\" name=\"check\" value=\"Check\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\"\n                               style=\"float: right !important; margin-right: 10px !important; display: none;\">\n                        <input type=\"button\" name=\"next\" value=\"Next\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\" style=\"float: right; display: none;\">\n\n                        <div style=\"clear: both;\"><\/div>\n\n                        \n                    <\/li>\n\n                                    <li class=\"wpProQuiz_listItem\" style=\"display: none;\">\n                        <div\n                            class=\"wpProQuiz_question_page\"  >\n                            Question <span>16<\/span> of <span>25<\/span>                        <\/div>\n                        <h5 style=\"display: inline-block;\"\n                            class=\"wpProQuiz_header\">\n                            <span>16<\/span>. Question                        <\/h5>\n\n                        \n                                                <div class=\"wpProQuiz_question\" style=\"margin: 10px 0 0 0;\">\n                            <div class=\"wpProQuiz_question_text\">\n                                <p>Characteristic  by  which We can  distinguishbetween  two sounds  of same loudness and  pitch  is called<\/p>\n                            <\/div>\n                                                        <ul class=\"wpProQuiz_questionList\" data-question_id=\"7240\"\n                                data-type=\"multiple\">\n                                \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"0\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7240\"\n                                                       value=\"1\"> Loudness                                             <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"1\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7240\"\n                                                       value=\"2\"> Pitch                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"2\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7240\"\n                                                       value=\"3\"> Quality                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"3\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7240\"\n                                                       value=\"4\"> intensity of sound                                            <\/label>\n\n                                                                            <\/li>\n                                                                <\/ul>\n                        <\/div>\n                                                    <div class=\"wpProQuiz_response\" style=\"display: none;\">\n                                <div style=\"display: none;\" class=\"wpProQuiz_correct\">\n                                                                            <span class=\"wpProQuiz_respone_span\">\n\t\t\t\t\t\t\t\t\tCorrect\t\t\t\t\t\t\t\t<\/span><br>\n                                    <p><\/p>                                <\/div>\n                                <div style=\"display: none;\" class=\"wpProQuiz_incorrect\">\n                                                                            <span class=\"wpProQuiz_respone_span\">\n\t\t\t\t\t\t\t\t\tIncorrect\t\t\t\t\t\t\t\t<\/span><br>\n                                    <p><\/p>                                <\/div>\n                            <\/div>\n                        \n                        \n                                                <input type=\"button\" name=\"back\" value=\"Back\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\"\n                               style=\"float: left !important; margin-right: 10px !important; display: none;\">\n                                                <input type=\"button\" name=\"check\" value=\"Check\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\"\n                               style=\"float: right !important; margin-right: 10px !important; display: none;\">\n                        <input type=\"button\" name=\"next\" value=\"Next\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\" style=\"float: right; display: none;\">\n\n                        <div style=\"clear: both;\"><\/div>\n\n                        \n                    <\/li>\n\n                                    <li class=\"wpProQuiz_listItem\" style=\"display: none;\">\n                        <div\n                            class=\"wpProQuiz_question_page\"  >\n                            Question <span>17<\/span> of <span>25<\/span>                        <\/div>\n                        <h5 style=\"display: inline-block;\"\n                            class=\"wpProQuiz_header\">\n                            <span>17<\/span>. Question                        <\/h5>\n\n                        \n                                                <div class=\"wpProQuiz_question\" style=\"margin: 10px 0 0 0;\">\n                            <div class=\"wpProQuiz_question_text\">\n                                <p>Loudness of sound depends on<\/p>\n                            <\/div>\n                                                        <ul class=\"wpProQuiz_questionList\" data-question_id=\"7241\"\n                                data-type=\"multiple\">\n                                \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"0\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7241\"\n                                                       value=\"1\"> Amplitude of vibrating body                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"1\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7241\"\n                                                       value=\"2\"> Areaofvibrating body\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"2\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7241\"\n                                                       value=\"3\"> Distance of vibrating body                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"3\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7241\"\n                                                       value=\"4\"> All of these                                            <\/label>\n\n                                                                            <\/li>\n                                                                <\/ul>\n                        <\/div>\n                                                    <div class=\"wpProQuiz_response\" style=\"display: none;\">\n                                <div style=\"display: none;\" class=\"wpProQuiz_correct\">\n                                                                            <span class=\"wpProQuiz_respone_span\">\n\t\t\t\t\t\t\t\t\tCorrect\t\t\t\t\t\t\t\t<\/span><br>\n                                    <p><\/p>                                <\/div>\n                                <div style=\"display: none;\" class=\"wpProQuiz_incorrect\">\n                                                                            <span class=\"wpProQuiz_respone_span\">\n\t\t\t\t\t\t\t\t\tIncorrect\t\t\t\t\t\t\t\t<\/span><br>\n                                    <p><\/p>                                <\/div>\n                            <\/div>\n                        \n                        \n                                                <input type=\"button\" name=\"back\" value=\"Back\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\"\n                               style=\"float: left !important; margin-right: 10px !important; display: none;\">\n                                                <input type=\"button\" name=\"check\" value=\"Check\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\"\n                               style=\"float: right !important; margin-right: 10px !important; display: none;\">\n                        <input type=\"button\" name=\"next\" value=\"Next\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\" style=\"float: right; display: none;\">\n\n                        <div style=\"clear: both;\"><\/div>\n\n                        \n                    <\/li>\n\n                                    <li class=\"wpProQuiz_listItem\" style=\"display: none;\">\n                        <div\n                            class=\"wpProQuiz_question_page\"  >\n                            Question <span>18<\/span> of <span>25<\/span>                        <\/div>\n                        <h5 style=\"display: inline-block;\"\n                            class=\"wpProQuiz_header\">\n                            <span>18<\/span>. Question                        <\/h5>\n\n                        \n                                                <div class=\"wpProQuiz_question\" style=\"margin: 10px 0 0 0;\">\n                            <div class=\"wpProQuiz_question_text\">\n                                <p>Frequency of silent whistle Lies between ___________<\/p>\n                            <\/div>\n                                                        <ul class=\"wpProQuiz_questionList\" data-question_id=\"7242\"\n                                data-type=\"multiple\">\n                                \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"0\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7242\"\n                                                       value=\"1\"> 20,000Hz- 25,000Hz                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"1\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7242\"\n                                                       value=\"2\"> 20,000Hz- 35,000Hz                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"2\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7242\"\n                                                       value=\"3\"> 20Hz- 20,000Hz                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"3\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7242\"\n                                                       value=\"4\"> 15,000Hz - 40,000Hz                                            <\/label>\n\n                                                                            <\/li>\n                                                                <\/ul>\n                        <\/div>\n                                                    <div class=\"wpProQuiz_response\" style=\"display: none;\">\n                                <div style=\"display: none;\" class=\"wpProQuiz_correct\">\n                                                                            <span class=\"wpProQuiz_respone_span\">\n\t\t\t\t\t\t\t\t\tCorrect\t\t\t\t\t\t\t\t<\/span><br>\n                                    <p><\/p>                                <\/div>\n                                <div style=\"display: none;\" class=\"wpProQuiz_incorrect\">\n                                                                            <span class=\"wpProQuiz_respone_span\">\n\t\t\t\t\t\t\t\t\tIncorrect\t\t\t\t\t\t\t\t<\/span><br>\n                                    <p><\/p>                                <\/div>\n                            <\/div>\n                        \n                        \n                                                <input type=\"button\" name=\"back\" value=\"Back\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\"\n                               style=\"float: left !important; margin-right: 10px !important; display: none;\">\n                                                <input type=\"button\" name=\"check\" value=\"Check\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\"\n                               style=\"float: right !important; margin-right: 10px !important; display: none;\">\n                        <input type=\"button\" name=\"next\" value=\"Next\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\" style=\"float: right; display: none;\">\n\n                        <div style=\"clear: both;\"><\/div>\n\n                        \n                    <\/li>\n\n                                    <li class=\"wpProQuiz_listItem\" style=\"display: none;\">\n                        <div\n                            class=\"wpProQuiz_question_page\"  >\n                            Question <span>19<\/span> of <span>25<\/span>                        <\/div>\n                        <h5 style=\"display: inline-block;\"\n                            class=\"wpProQuiz_header\">\n                            <span>19<\/span>. Question                        <\/h5>\n\n                        \n                                                <div class=\"wpProQuiz_question\" style=\"margin: 10px 0 0 0;\">\n                            <div class=\"wpProQuiz_question_text\">\n                                <p>The intensity of sound depends on the____________of sound.<\/p>\n                            <\/div>\n                                                        <ul class=\"wpProQuiz_questionList\" data-question_id=\"7243\"\n                                data-type=\"multiple\">\n                                \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"0\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7243\"\n                                                       value=\"1\"> Time period                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"1\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7243\"\n                                                       value=\"2\"> frequency                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"2\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7243\"\n                                                       value=\"3\"> Amplitude                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"3\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7243\"\n                                                       value=\"4\"> None of these                                            <\/label>\n\n                                                                            <\/li>\n                                                                <\/ul>\n                        <\/div>\n                                                    <div class=\"wpProQuiz_response\" style=\"display: none;\">\n                                <div style=\"display: none;\" class=\"wpProQuiz_correct\">\n                                                                            <span class=\"wpProQuiz_respone_span\">\n\t\t\t\t\t\t\t\t\tCorrect\t\t\t\t\t\t\t\t<\/span><br>\n                                    <p><\/p>                                <\/div>\n                                <div style=\"display: none;\" class=\"wpProQuiz_incorrect\">\n                                                                            <span class=\"wpProQuiz_respone_span\">\n\t\t\t\t\t\t\t\t\tIncorrect\t\t\t\t\t\t\t\t<\/span><br>\n                                    <p><\/p>                                <\/div>\n                            <\/div>\n                        \n                        \n                                                <input type=\"button\" name=\"back\" value=\"Back\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\"\n                               style=\"float: left !important; margin-right: 10px !important; display: none;\">\n                                                <input type=\"button\" name=\"check\" value=\"Check\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\"\n                               style=\"float: right !important; margin-right: 10px !important; display: none;\">\n                        <input type=\"button\" name=\"next\" value=\"Next\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\" style=\"float: right; display: none;\">\n\n                        <div style=\"clear: both;\"><\/div>\n\n                        \n                    <\/li>\n\n                                    <li class=\"wpProQuiz_listItem\" style=\"display: none;\">\n                        <div\n                            class=\"wpProQuiz_question_page\"  >\n                            Question <span>20<\/span> of <span>25<\/span>                        <\/div>\n                        <h5 style=\"display: inline-block;\"\n                            class=\"wpProQuiz_header\">\n                            <span>20<\/span>. Question                        <\/h5>\n\n                        \n                                                <div class=\"wpProQuiz_question\" style=\"margin: 10px 0 0 0;\">\n                            <div class=\"wpProQuiz_question_text\">\n                                <p>Such sound Which are pleasant to our ears are called_________<\/p>\n                            <\/div>\n                                                        <ul class=\"wpProQuiz_questionList\" data-question_id=\"7244\"\n                                data-type=\"multiple\">\n                                \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"0\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7244\"\n                                                       value=\"1\"> Musical  Sound                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"1\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7244\"\n                                                       value=\"2\"> Noise                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"2\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7244\"\n                                                       value=\"3\"> Both a and b                                             <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"3\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7244\"\n                                                       value=\"4\"> None of these                                            <\/label>\n\n                                                                            <\/li>\n                                                                <\/ul>\n                        <\/div>\n                                                    <div class=\"wpProQuiz_response\" style=\"display: none;\">\n                                <div style=\"display: none;\" class=\"wpProQuiz_correct\">\n                                                                            <span class=\"wpProQuiz_respone_span\">\n\t\t\t\t\t\t\t\t\tCorrect\t\t\t\t\t\t\t\t<\/span><br>\n                                    <p><\/p>                                <\/div>\n                                <div style=\"display: none;\" class=\"wpProQuiz_incorrect\">\n                                                                            <span class=\"wpProQuiz_respone_span\">\n\t\t\t\t\t\t\t\t\tIncorrect\t\t\t\t\t\t\t\t<\/span><br>\n                                    <p><\/p>                                <\/div>\n                            <\/div>\n                        \n                        \n                                                <input type=\"button\" name=\"back\" value=\"Back\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\"\n                               style=\"float: left !important; margin-right: 10px !important; display: none;\">\n                                                <input type=\"button\" name=\"check\" value=\"Check\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\"\n                               style=\"float: right !important; margin-right: 10px !important; display: none;\">\n                        <input type=\"button\" name=\"next\" value=\"Next\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\" style=\"float: right; display: none;\">\n\n                        <div style=\"clear: both;\"><\/div>\n\n                        \n                    <\/li>\n\n                                    <li class=\"wpProQuiz_listItem\" style=\"display: none;\">\n                        <div\n                            class=\"wpProQuiz_question_page\"  >\n                            Question <span>21<\/span> of <span>25<\/span>                        <\/div>\n                        <h5 style=\"display: inline-block;\"\n                            class=\"wpProQuiz_header\">\n                            <span>21<\/span>. Question                        <\/h5>\n\n                        \n                                                <div class=\"wpProQuiz_question\" style=\"margin: 10px 0 0 0;\">\n                            <div class=\"wpProQuiz_question_text\">\n                                <p>Such sounds which are unpleasant to our ears are called _________<\/p>\n                            <\/div>\n                                                        <ul class=\"wpProQuiz_questionList\" data-question_id=\"7245\"\n                                data-type=\"multiple\">\n                                \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"0\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7245\"\n                                                       value=\"1\"> Musical  Sound                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"1\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7245\"\n                                                       value=\"2\"> Noise                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"2\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7245\"\n                                                       value=\"3\"> Botha and b                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"3\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7245\"\n                                                       value=\"4\"> None of these                                               <\/label>\n\n                                                                            <\/li>\n                                                                <\/ul>\n                        <\/div>\n                                                    <div class=\"wpProQuiz_response\" style=\"display: none;\">\n                                <div style=\"display: none;\" class=\"wpProQuiz_correct\">\n                                                                            <span class=\"wpProQuiz_respone_span\">\n\t\t\t\t\t\t\t\t\tCorrect\t\t\t\t\t\t\t\t<\/span><br>\n                                    <p><\/p>                                <\/div>\n                                <div style=\"display: none;\" class=\"wpProQuiz_incorrect\">\n                                                                            <span class=\"wpProQuiz_respone_span\">\n\t\t\t\t\t\t\t\t\tIncorrect\t\t\t\t\t\t\t\t<\/span><br>\n                                    <p><\/p>                                <\/div>\n                            <\/div>\n                        \n                        \n                                                <input type=\"button\" name=\"back\" value=\"Back\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\"\n                               style=\"float: left !important; margin-right: 10px !important; display: none;\">\n                                                <input type=\"button\" name=\"check\" value=\"Check\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\"\n                               style=\"float: right !important; margin-right: 10px !important; display: none;\">\n                        <input type=\"button\" name=\"next\" value=\"Next\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\" style=\"float: right; display: none;\">\n\n                        <div style=\"clear: both;\"><\/div>\n\n                        \n                    <\/li>\n\n                                    <li class=\"wpProQuiz_listItem\" style=\"display: none;\">\n                        <div\n                            class=\"wpProQuiz_question_page\"  >\n                            Question <span>22<\/span> of <span>25<\/span>                        <\/div>\n                        <h5 style=\"display: inline-block;\"\n                            class=\"wpProQuiz_header\">\n                            <span>22<\/span>. Question                        <\/h5>\n\n                        \n                                                <div class=\"wpProQuiz_question\" style=\"margin: 10px 0 0 0;\">\n                            <div class=\"wpProQuiz_question_text\">\n                                <p>Corresponds to irregular and sudden vibrations produced by some sound<\/p>\n                            <\/div>\n                                                        <ul class=\"wpProQuiz_questionList\" data-question_id=\"7246\"\n                                data-type=\"multiple\">\n                                \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"0\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7246\"\n                                                       value=\"1\"> Noise                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"1\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7246\"\n                                                       value=\"2\"> Musical Sound                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"2\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7246\"\n                                                       value=\"3\"> Notes of tuning fork                                             <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"3\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7246\"\n                                                       value=\"4\"> None of these                                            <\/label>\n\n                                                                            <\/li>\n                                                                <\/ul>\n                        <\/div>\n                                                    <div class=\"wpProQuiz_response\" style=\"display: none;\">\n                                <div style=\"display: none;\" class=\"wpProQuiz_correct\">\n                                                                            <span class=\"wpProQuiz_respone_span\">\n\t\t\t\t\t\t\t\t\tCorrect\t\t\t\t\t\t\t\t<\/span><br>\n                                    <p><\/p>                                <\/div>\n                                <div style=\"display: none;\" class=\"wpProQuiz_incorrect\">\n                                                                            <span class=\"wpProQuiz_respone_span\">\n\t\t\t\t\t\t\t\t\tIncorrect\t\t\t\t\t\t\t\t<\/span><br>\n                                    <p><\/p>                                <\/div>\n                            <\/div>\n                        \n                        \n                                                <input type=\"button\" name=\"back\" value=\"Back\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\"\n                               style=\"float: left !important; margin-right: 10px !important; display: none;\">\n                                                <input type=\"button\" name=\"check\" value=\"Check\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\"\n                               style=\"float: right !important; margin-right: 10px !important; display: none;\">\n                        <input type=\"button\" name=\"next\" value=\"Next\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\" style=\"float: right; display: none;\">\n\n                        <div style=\"clear: both;\"><\/div>\n\n                        \n                    <\/li>\n\n                                    <li class=\"wpProQuiz_listItem\" style=\"display: none;\">\n                        <div\n                            class=\"wpProQuiz_question_page\"  >\n                            Question <span>23<\/span> of <span>25<\/span>                        <\/div>\n                        <h5 style=\"display: inline-block;\"\n                            class=\"wpProQuiz_header\">\n                            <span>23<\/span>. Question                        <\/h5>\n\n                        \n                                                <div class=\"wpProQuiz_question\" style=\"margin: 10px 0 0 0;\">\n                            <div class=\"wpProQuiz_question_text\">\n                                <p>The method used to absorb undesirable sound by soft and porous surface is called<\/p>\n                            <\/div>\n                                                        <ul class=\"wpProQuiz_questionList\" data-question_id=\"7247\"\n                                data-type=\"multiple\">\n                                \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"0\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7247\"\n                                                       value=\"1\"> 75-80dB                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"1\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7247\"\n                                                       value=\"2\"> 85-90dB                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"2\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7247\"\n                                                       value=\"3\"> 95-100dB                                             <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"3\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7247\"\n                                                       value=\"4\"> 115-120dB                                            <\/label>\n\n                                                                            <\/li>\n                                                                <\/ul>\n                        <\/div>\n                                                    <div class=\"wpProQuiz_response\" style=\"display: none;\">\n                                <div style=\"display: none;\" class=\"wpProQuiz_correct\">\n                                                                            <span class=\"wpProQuiz_respone_span\">\n\t\t\t\t\t\t\t\t\tCorrect\t\t\t\t\t\t\t\t<\/span><br>\n                                    <p><\/p>                                <\/div>\n                                <div style=\"display: none;\" class=\"wpProQuiz_incorrect\">\n                                                                            <span class=\"wpProQuiz_respone_span\">\n\t\t\t\t\t\t\t\t\tIncorrect\t\t\t\t\t\t\t\t<\/span><br>\n                                    <p><\/p>                                <\/div>\n                            <\/div>\n                        \n                        \n                                                <input type=\"button\" name=\"back\" value=\"Back\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\"\n                               style=\"float: left !important; margin-right: 10px !important; display: none;\">\n                                                <input type=\"button\" name=\"check\" value=\"Check\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\"\n                               style=\"float: right !important; margin-right: 10px !important; display: none;\">\n                        <input type=\"button\" name=\"next\" value=\"Next\"\n                               class=\"wpProQuiz_button wpProQuiz_QuestionButton\" style=\"float: right; display: none;\">\n\n                        <div style=\"clear: both;\"><\/div>\n\n                        \n                    <\/li>\n\n                                    <li class=\"wpProQuiz_listItem\" style=\"display: none;\">\n                        <div\n                            class=\"wpProQuiz_question_page\"  >\n                            Question <span>24<\/span> of <span>25<\/span>                        <\/div>\n                        <h5 style=\"display: inline-block;\"\n                            class=\"wpProQuiz_header\">\n                            <span>24<\/span>. Question                        <\/h5>\n\n                        \n                                                <div class=\"wpProQuiz_question\" style=\"margin: 10px 0 0 0;\">\n                            <div class=\"wpProQuiz_question_text\">\n                                <p>Which are the acoustic protection except<\/p>\n                            <\/div>\n                                                        <ul class=\"wpProQuiz_questionList\" data-question_id=\"7248\"\n                                data-type=\"multiple\">\n                                \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"0\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7248\"\n                                                       value=\"1\"> Lecture  Halls                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"1\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7248\"\n                                                       value=\"2\"> Auditorium                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"2\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7248\"\n                                                       value=\"3\"> Theaterhalls                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"3\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7248\"\n                                                       value=\"4\"> Kitchen                                            <\/label>\n\n                                                                            <\/li>\n                                                                <\/ul>\n                        <\/div>\n                                                    <div 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              value=\"2\"> 15 KIHz                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"2\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7249\"\n                                                       value=\"3\"> 15,000Hz                                            <\/label>\n\n                                                                            <\/li>\n                                    \n                                    <li class=\"wpProQuiz_questionListItem\" data-pos=\"3\">\n\n                                                                                                                                <span style=\"display:none;\"><\/span>\n                                            <label>\n                                                <input class=\"wpProQuiz_questionInput\"\n                                                       type=\"checkbox\"\n                                                       name=\"question_70_7249\"\n                                                       value=\"4\"> Both  (b) and (c)\r\n                                            <\/label>\n\n                                                                            <\/li>\n                                                                <\/ul>\n                        <\/div>\n                                                    <div 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