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The length and diameter of a metal wire...

The length and diameter of a metal wire is doubled the fundamental frequency of vibration will change from n to (tension being kept constant and material of both the wires is same)

A

`(n)/(4)`

B

`(n)/(8)`

C

`(n)/(12)`

D

`(n)/(16)`

Text Solution

Verified by Experts

The correct Answer is:
A
`(n.)/(n)=(l)/(l.)xx(r)/(r.)=(l)/(2l)xx(r)/(2r)=(1)/(4)impliesn.=(n)/(4)`
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