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A whistle is rotated with 2 rotations/se...

A whistle is rotated with 2 rotations/sec in a circle of radius 1 meter. A listener is setting in the plane of circle outside the centre, then ratio of maximum and minimum frequencies heard by him will be

A

`((V + 4 pi))/((V - 4 pi))`

B

`((V + 4 pi))/((V - 2 pi))`

C

`((V + 2))/((V - 2))`

D

`((V+4))/((V - 4))`

Text Solution

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The correct Answer is:
A
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