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A speeding motorcyclist sees traffic jam...

A speeding motorcyclist sees traffic jam ahead of him. He slows down to `36 km//h` He finds that traffic has eased and a car moving ahead of him at `18 km//h` is honking at a frequency of 1392 Hz. If the speed of sound is `343m//s`, the frequency of the honk as heard by him will be
(a) 1332 Hz (b) 1372 Hz (c) 1412 Hz (d) 1454 Hz

A

1332 Hz

B

1372 Hz

C

1412 Hz

D

1454 Hz

Text Solution

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The correct Answer is:
C
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