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A small source of sound moves on a circl...

A small source of sound moves on a circle as shown in figure and an observer is sitting at O. Let `v_1,v_2,v_3` be the frequencies heard when the source is at A,B and C respectively.
.

A

`f _(1) gt f_(2) gt f_(3)`

B

`f _(1) = f_(2) ft f_(3)`

C

`f _(2) gt f_(3) fr f_(1)`

D

` f_(1) gt f_(3) gt f_(3)`

Text Solution

Verified by Experts

The correct Answer is:
C

ar B : source moving towards observer ltbr at `C :S botO`
at A : source is moving away from observer
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