how is sound heard ?
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sounds is heard when : a sound wave produced by an object travels through transparent medium like air and when it falls on our eardrums it's vibrates and thus we r able to hear the sound.
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We can Hear sound by a process called Propagation of Sound. When a source of sound vibrates it creates a periodic disturbance in the air.The disturbance then travel in the air in the form of waves and hit our ear drum.
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