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Question
A load P is applied to a wire of diameter d. If the radius of a wire is doubled and reduced the load to half, then its Young's modulus will be
O;kl d O;kl okys rkj ij Hkkj P yxk;k tkrk gSA ;fn rkj dh f=kT;k nqxquh o Hkkj dks vk/k dj fn;k tkrk gS rks bldk ;ax ekikad gksxkA
A.
Doubled
B.
Halved
C.
Remain unaffected
D.
Becomes one fourth
Answer ( Option C)

Remain unaffected

Solution

Young's modulus will be unaffected because it only depends on type of material.

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