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Two wires of the same diameter and mater...

Two wires of the same diameter and material have length 1.2 m and 2 m. They emit the same fundamental frequency . If the shorter wire is stretched by a force of 36 kg wt`,then the tension of longer wire will be

A

`18 kg wt`

B

`100 kg wt`

C

`50 kg wt`

D

`72 kg wt`

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