Question

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)`

Answer 1

Correct Answer - C

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