The Young's modulus of a wire of length L and radius r is Y N/m2. If the length and radius are reduced to L/2 and r/2, then its Young's modulus will be
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a
Y/2
b
Y
c
2Y
d
4Y
answer is B.
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Detailed Solution
Young's modulus of wire does not varies with dimension of wire. It is the property of given material.