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If the Young's modulus of the material is 3 times its modulus of rigidity, then its volume elasticity will be
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Infinity
$\quad I=2 (\eta)(1+\sigma) \Rightarrow 3 \eta=2 (\eta)(1+\sigma)=\sigma=\frac{3}{2}-1=\frac{1}{2}$
Now substituting the value of $\sigma$ in the following expression.
$Y=3 K(1-2 \sigma) \Rightarrow K=\frac{Y}{3(1-2 \sigma)}=\infty$
Now substituting the value of $\sigma$ in the following expression.
$Y=3 K(1-2 \sigma) \Rightarrow K=\frac{Y}{3(1-2 \sigma)}=\infty$
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