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Poisson's Effect

The Young's m...

Question

The Young's modulus of a wire of length l and radius r is $Y N / m^{2}$ . If the length is reduced to $L / 2$ & radius to $r / 2$ , then its Young's modouls will be-

A

\frac{Y}{2}

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B

Y

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C

2Y

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D

4Y

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Solution

The correct option is A Y
Young's modulus does not depend on the length or radius of the material.

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