A sound-source is moving in a circle and an observer is outside the circle at $O$ as shown in figure. If the frequencies as heard by the listener are $\nu _1, \nu _2$ and $\nu _3$ when the source is at $A, B$ and $C$ position, respectively, then
A sound-source is moving in a circle and an observer is outside the circle at $O$ as shown in figure. If the frequencies as heard by the listener are $\nu _1, \nu _2$ and $\nu _3$ when the source is at $A, B$ and $C$ position, respectively, then
- A
${\nu _1} = {\nu _2} > {\nu _3}$
- B
${\nu _2} > {\nu _3} > {\nu _1}$
- C
${\nu _1} > {\nu _2} > {\nu _3}$
- D
${\nu _1} > {\nu _3} > {\nu _2}$
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