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The frequency of a whistle of an engine ...

The frequency of a whistle of an engine is 600 cycles / sec is moving with the speed of 30 m / sec towards an observer. The apparent frequency will be (velocity of sound = 330 m / s )

A

600 cps

B

660 cps

C

990 cps

D

330 cps

Text Solution

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The correct Answer is:
B
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