Question

0. Explain Dopplor effect in sound. Obtain an
expression for apparent frequency of sound when source and listener are approaching each other.​

Answer 1

Answer:

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Explanation:

The Apparent change in the frequency of sound when the source, the observer and the medium are in a relative motion is called Doppler Effect. Let S be source of sound moving with velocity vs towards stationary listener O. Thus apparent frequency is greater than the actual frequency as source moves towards listener