Q. If the length of a wire is made double and radius is halved of its respective values. Then, the Young's modules of the material of the wire will :

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A

Remains same

38%

B

Become 8 times its initial value

25%

C

Become $\frac{1 ^{th}}{4}$ of its initial value

21%

D

Become 4 times its initial value

16%

Solution:

Y depends on material of wire