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Two whistles Aand B produces notes of fr...

Two whistles Aand B produces notes of frequencies 660 Hz and 596 Hz respectively. There is a listener at the mid- point of the line joining them. Now the whistle B and the listener start moving with speed 30 m/s away from the whistle A. If speed of sound be 330 m/s, how many beats will be heard by the listener

A

2

B

4

C

6

D

8

Text Solution

Verified by Experts

The correct Answer is:
B
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