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A train is moving with a constant speed ...

A train is moving with a constant speed along a circular track. The engine of the train emits a sound of frequency f. The frequency heard by the guard at the rear end of the train.

A

is less than f

B

is greater than f

C

is equal to f

D

may be greater than , less than or equal to f depending on the factors like speed of train, length of train and radius of circular track

Text Solution

Verified by Experts

The correct Answer is:
C
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