A wire of a certain length and radius is stretched by a force $F$ . If the length of the wire and radius are both doubled, then the value of Young's modulus $Y$ will become

2

times

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4

times

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Remains same

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Half

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Solution

The correct option is C Remains same
We know, Young's modulus is a property of the materia. It does not depend on shape or size of the material. So, it will remain same if length and radius both are doubled.
Hence, option (c) is correct.

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