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The increase in length on stretching a w...

The increase in length on stretching a wire is `0.05 %`. If its poisson's ratio is 0.4, then its diameter

A

`0.002%`

B

`0.001%`

C

0.0002

D

0.0001

Text Solution

Verified by Experts

The correct Answer is:
C
Poisson.s ratio = Lateral strain / Longitudinal strain
Lateral strain = `0.4 xx (0.05)/(100) = (0.02)/(100) = 0.02%`
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