Sound

The pitch of a sound wave depends upon which one of its following characteristics?

Which of the following statements is INCORRECT?

Which of the following statements is correct?

For a wave, wavelength divided by the time period is equal to_____.

Speeds greater than the speed of sound in the air are known as _____.

Which is an example of a mechanical wave?

What is the velocity of sound in air?

The loudness of sound coming from the busy traffic is____________.

Loudness of sound depends on:

The velocity of sound in moist air is more than in dry air because the moist air has—

Echo sounding is the technique applied to-

Which one of the following sounds cannot be heard by a human ear?

What is the maximum limit of sound intensity in decibel units beyond which a person cannot hear?

Hartley Oscillator is commonly used in:

Cosmic wave is caused by _____.

Ultrasonic sound has the frequency of _____.

The pitch of the voice of a woman is in general _____.

A sinusoidal transverse wave is travelling in string. Any point of the string moves in:

Ultrasonic sounds are the sounds which have frequencies?

The waves used in radar systems are ____ waves.