A brass rod of cross-sectional area 1 cm^2 and length 0.2 m is compressed lengthwise by a weight of 5 kg. If...

Question

A brass rod of cross-sectional area 1 cm^2 and length 0.2 m is compressed lengthwise by a weight of 5 kg. If Young's modulus of elasticity of brass is 1 10^ 11 N/m^2 and g=10 m/sec^2, then increase in the energy of the rod will be [MP PMT 1991]

Accepted Answer

(B)

JEE Main Physics question

Solution

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