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A source of sound emitting a sound of fr...

A source of sound emitting a sound of frequency `f_0` and detector are moving with same speed `v_0` as shown in the figure at t = 0. Take velocity of sound wave to be v (>> `v_0` ).

For this situation mark out the correct statement(s)

A

The frequency received by the detector is always greater than `f_(0)`

B

Initially, frequency received by the detector is greater than `f_0`, becomes equal to `f_0`, and then decreases with the time.

C

Frequency received by the detector is equal to `f_(0)` at `t =d cottheta_(0)//(2v_(0))`

D

Frequency received by the detector can never be equal to `f_(0)`

Text Solution

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The correct Answer is:
B, C
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