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A whistle of frequency 500 Hz tied to th...

A whistle of frequency 500 Hz tied to the end of a string of length 1.2 m revolves at 400 rev/min. A listener standing some distance away in the plane of rotation of whistle hears frequencies in the range (speed of sound = 340 m/s )

A

386 Hz - 436 Hz

B

426 Hz - 474 Hz

C

426 Hz - 586 Hz

D

436 Hz - 586 Hz

Text Solution

Verified by Experts

The correct Answer is:
D
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