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Two sources A and B are sounding notes o...

Two sources A and B are sounding notes of frequency 700 Hz. A listener moves from A to B with constant velocity u. If the speed of sound is 350 m/s, what must be the value of u so that 8 beat/ s are heard

A

2 m/s

B

1.5 m/s

C

2.5 m/s

D

4 m/s

Text Solution

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The correct Answer is:
A
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