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For a given material, Young's modulus is...

For a given material, Young's modulus is 2.4 times that of rigidity modulus. Its Poisson's ratio is

A

2.4

B

1.2

C

0.4

D

0.2

Text Solution

Verified by Experts

The correct Answer is:
D
As `Y = 2eta(1+ sigma)`
where the symbols have their usual meanings
Given :`Y = 2.4eta`
`therefore 2.4 eta = 2eta(1+sigma)`
`1.2 = 1+ sigma or sigma = 1.2 = 0.2`
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