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  • If in a wire of Young's modulus Y, longitudinal strain X is produced, then the value of potential energy stored in its unit volume will beOption: 1

If in a wire of Young's modulus Y, longitudinal strain X is produced, then the value of potential energy stored in its unit volume will be

Option: 1

2YX^{2}


Option: 2

3YX^{2}


Option: 3

0.2YX^{2}


Option: 4

0.5YX^{2}


Answers (1)

best_answer

The P.E. stored is given by 

\frac{1}{2}\times stress \times strain

=\frac{1}{2} \times Y \times X \times X=\frac{1}{2} Y X^2=0.5Y X^2

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Pankaj

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