For normal person audible frequency range for sound wave lies between.

High pitch means:

The frequency of silent whistle is:

The waves, which are used to detect the broken bones are called:

After how much time the echo must be heard?

The distance between two consecutive compressions or rarefactions in longitudinal waves is called:

The waves which travel in straight line through space and have strong signals are called:

The speed of sound in iron at 25 oC is ms-1

Ripple tank is an instrument which is used to study the characteristics of:

At mean position of pendulum, the potential energy of the pendulum is:

Bets can hear sound of frequency up to:

In simple harmonic motion, the acceleration of the body is…………. Proportional to the displacement.

The study of sound is called

Sound is produced by _________

Sound can travel only in presence of

Characteristic by which We can distinguishbetween two sounds of same loudness and pitch is called

Loudness of sound depends on

Frequency of silent whistle Lies between ___________

The intensity of sound depends on the____________of sound.

Such sound Which are pleasant to our ears are called_________

Such sounds which are unpleasant to our ears are called _________

Corresponds to irregular and sudden vibrations produced by some sound

The method used to absorb undesirable sound by soft and porous surface is called

Which are the acoustic protection except

Old people cannot hear sound even above