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A man is standing between a stationary s...

A man is standing between a stationary source and cliff. When he starts moving along line joining him and source, he hears 10 beats per second. The velocity of mas is [frequency of source=600Hz, velocity of sound=330`ms^(-1)`]

A

5.5 m/s

B

11m/s

C

16/5m/s

D

2.75m/s

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The correct Answer is:
D
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