What will be the elastic potential energy per unit volume when a metal – McqOptions

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1.	What will be the elastic potential energy per unit volume when a metal wire is suspended along with a suspending weight on it?
A.	Y<sup>2</sup>
B.	( frac{1}{2} ) Y <sup>2</sup>
C.	4Y
D.	8Y<sup>2</sup> <sup>2</sup>
Answer» C. 4Y

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