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A source of sound is travelling towards ...

A source of sound is travelling towards a stationary observer. The frequency of sound heard by the observer is of three times the original frequency. The velocity of sound is v m / sec . The speed of source will be

A

` (2)/(3) v`

B

v

C

` (3)/(2) v`

D

` 3v`

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The correct Answer is:
A
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TARGET PUBLICATION-WAVE MOTION -MCQ 7.1
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