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If S is stress and Y is Young’s modulus of material of a wire, the energy stored in the wire per unit volume is.

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asked Mar 30, 2018 in Physics by shabnam praween (19,050 points) ● 5 ● 6 ● 68

If S is stress and Y is Young’s modulus of material of a wire, the energy stored in the wire per unit volume is

(1) 2S2Y

(2) S2/2Y

(3) 2Y/S2

(4) S/2Y

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answered Mar 30, 2018 by santoshjha (25,550 points) ● 4 ● 5 ● 6
selected Mar 30, 2018 by Vikash Kumar
 
Best answer

The correct answer is (2)

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