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  4. The Young’s modulus of a wire of length L and radius r is Y. If the length is reduced to (L/2) and radius is (r/2), then the Young’s modulus will be

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Q. The Young’s modulus of a wire of length $L$ and radius $r$ is $Y$. If the length is reduced to $\frac{L}{2}$ and radius is $\frac{r}{2}$, then the Young’s modulus will be

Mechanical Properties of Solids

Solution:

Young’s modulus depends upon the nature of the material and not on geometrical dimensioris.