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Questions  

For most of the material, Young's modulus (Y) and rigidity modulus (G) are related as 

a
G = 3Y
b
G=Y3
c
G=32Y
d
G=Y8

detailed solution

Correct option is B

We know that,Relation between Y and GY=2G(1+σ)⇒G=Y2(1+σ)⇒G≅Y3(∵σ≃0.5)

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