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Two sources A and B are sounding notes of frequency 680 Hz. A listener moves from A to B with a constant velocity u. If the speed of sound is 340 m/s, What must be the value of u so that he hears 10 beats per second?

A

` 2.0 ms ^(-1)`

B

` 2.5 ms ^(-1)`

C

` 3.0 ms ^(-1)`

D

` 3.5 ms ^(-1)`

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The correct Answer is:
B
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TARGET PUBLICATION-WAVE MOTION -MCQ 7.1
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  14. A progressive wave is represented by the equation y= 0.5 sin ( 314t- ...

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