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Three sound sources p,q and r have frequ...

Three sound sources p,q and r have frequencies 400 Hz, 401 Hz and 402 Hz respectively. Calculate the number of beats nodes per second.

A

0

B

1

C

3

D

2

Text Solution

Verified by Experts

The correct Answer is:
B
No. of beats /sec=402-401=401-400=1
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