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A metal cube of side length 8.0cm has it...

A metal cube of side length 8.0cm has its upper surface displaced with respect to the bottom by 0.10 mm when tangential force of `4 xx 10^4N` is applied at the top with bottom surface fixed. The rigidity modulus of the material of the cube is

A

`4 xx 10^9 Nm^(-2)`

B

`5 xx 10^9 NM^(-2)`

C

`8 xx 10^9 Nm^(-2)`

D

`10^8 Nm^(-2)`

Text Solution

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The correct Answer is:
B
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