How much force is required to produce an increase of 0.2% in the length of a brass wire of diameter 0.6 mm?...

Question

How much force is required to produce an increase of 0.2% in the length of a brass wire of diameter 0.6 mm? (Young's modulus for brass =0.9 10^ 11 N/m^2) [MP PMT 2000, Similar MP PET 1991, BVP 2003]

Accepted Answer

(C)

JEE Main Physics question

Solution

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