Question

chapter Sound
12
what is sound​ explain

Answer 1

Answer:

* In physics, sound is a vibration that propagates as an acoustic wave, through a transmission medium such as a gas, liquid or solid.

* Sound is a form of energy which is produced by vibration of objects. Vibrations are rapid to and fro motion of an object. When a body vibrates, a disturbance is created in the medium by the particles. This produces sound.

* Sound is a form of energy which produces a sensation of hearing in our ears.

* The travelling of sound is called propagation of sound.

Answer 2

In physics, sound is a vibration that propagates as an acoustic wave, through a transmission medium such as a gas, liquid or solid. In human physiology and psychology, sound is the reception of such waves and their perception by the brain. ... Sound waves below 20 Hz are known as infrasound