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Velocity of sound waves in air is 330 m\...

Velocity of sound waves in air is 330 m\s for a particular sound wave in air, path difference of 40 cm. is equivalent to phase difffernce of `1.6 pi` the frequency of this wave is

A

150 Hz

B

165 Hz

C

330 Hz

D

660 Hz

Text Solution

Verified by Experts

The correct Answer is:
D
`lambda = 0.4 xx 2pi//1.6pi = 1//2, n = v//lambda = 660` Hz.
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