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Sound waves from a tuning fork F reach a...

Sound waves from a tuning fork `F` reach a point `P` by two separate routes `FAP` and `FBP` (when `FBP` is greater than `FAP` by `12 cm` there is silence at `P`). If the difference is `24 cm` the the sound becomes maximum at `P` but at `36 cm` there is silence again and so on. of velocity of sound in sir is `330 ms^(-1)`, then least frequency of tuning fork is :

A

1537 Hz

B

1735Hz

C

1400Hz

D

1375Hz

Text Solution

Verified by Experts

The correct Answer is:
D
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