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Three sound sources A, B and C have freq...

Three sound sources `A`, `B` and `C` have frequencies `400`, `401` and `402 H_(Z)`, respectively. Cacluated the number of beats noted per second.

A

0

B

1

C

2

D

3

Text Solution

Verified by Experts

The correct Answer is:
B
`n_(1) = 401-400 = 1Hz` also `n_(2) = 402 -401 = 1Hz`. The beats produced by 400 Hz and 402 Hz will overlap this.
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