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Find the frequency of minimum distance b...

Find the frequency of minimum distance between compression & rarefaction of a wire. If the length of the wire is 1 m & velocity of sound in air is 360 m/s

A

`90sec^(-1)`

B

`180sec^(-1)`

C

`120sec^(-1)`

D

`360sec^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
B
As `(lambda)/(2)=limplieslambda=2l`
`f=(v)/(2l)=(360)/(2)=180sec^(-1)
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