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Rachna Dayal
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Posted 5 year ago Rachna Dayal Gurushala Teacher Coach

In physics, the 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, the sound is the reception of such waves and their perception by the brain.

Nisha Nikam
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Posted 5 year ago Nisha Nikam

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.