Question

can any one tell me what is sound
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Answer 1

Explanation:

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.

Answer 2

Answer:

Sound is the term to describe what is heard when soundwaves pass through a medium to the ear. ... Allsounds are made by vibrations of molecules through which the soundtravels. For instance, when a drum or a cymbal is struck, the object vibrates. These vibrations make air molecules move.