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Two wires of the same material have mas...

Two wires of the same material have masses in the ratio of their extenisons under the same load if their lenghts are in the ratio `9:10` is

A

`5:3`

B

`27:40`

C

`6:5`

D

`27:25`

Text Solution

Verified by Experts

The correct Answer is:
D

`e = (F l^(2))/(YV)`, volume `alpha` mass, `e alpha (l^(2))/(m)`
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