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In an air column , resonances occurs at ...

In an air column , resonances occurs at 25cm and 77cm. If the frequency of the fork is 325 Hz, then the velocity of sound in air will be

A

364 m/s

B

357 m/s

C

338 m/s

D

346 m/s

Text Solution

Verified by Experts

The correct Answer is:
C
`v=2n(l_2-l_1)=2xx325(0.77-0.25)`
`=3xx325xx0.52 = 338m//s`
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