What causes sound in air?

One Line Answer

The waves in the air causes sound . Through waves , energy get transferred from one place to another and hence the sound.

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Chapter 7: Sound - Production and Propagation of Sound [Page 278]

Chapter 7 Sound
Production and Propagation of Sound | Q 12 | Page 278

What are wavelength, frequency, time period and amplitude of a sound wave?

How does the loudness of sound produced depend on the vibrating area of the body ?

To detect the obstacles in their path, bats produce ______.

Distinguish between compression and rarefaction.

Is pitch same as frequency?

Select the correct option:

In the region of compression or rarefaction, in a longitudinal wave, the physical quantity which does not change is:

A continuous progressive transverse wave of frequency 8 Hz moves across the surface of a ripple tank

With reference to the frequency, describe the movement of water on the surface

Through which medium sound travels faster, iron or water? Give reason.

What is a wave?