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Two tuning forks A and B give 4 beats//...

Two tuning forks `A and B` give ` 4 beats//s` when sounded together . The frequency of `A is 320 Hz`. When some wax is added to `B` and it is sounded with `A , 4 beats//s per second` are again heard . The frequency of `B` is

A

312 Hz

B

316 Hz

C

324 Hz

D

328 Hz

Text Solution

Verified by Experts

The correct Answer is:
C
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ERRORLESS -WAVES AND SOUND-Beats
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