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A hollow metallic tube of length L and c...

A hollow metallic tube of length L and closed at one end produce resonance with a tuning fork of frequency n. The entire tube is then heated carefully so that at equilibrium temperature its length changes by `l`. If the change in velocity V of sound is v, the resonance will now produced by tuning fork of frequency :-

A

`((V+v))/(4(L+l))`

B

`((V-v))/(4(L-l))`

C

`((V+v))/(4(L-l))`

D

`((V-v))/(4(L+l))`

Text Solution

Verified by Experts

The correct Answer is:
A
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