The velocity of sound waves in air is 33...

The velocity of sound waves in air is `330m//s`. For a particluar sound in air, a path difference of `40 cm` is equivalent to a phase difference of `1.6pi`. The frequency of this wave is

A

`165 Hz`

B

`150 Hz`

C

`660 Hz`

D

`330 Hz`

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The correct Answer is:

C

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