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A metal rod of Young's modulus 2 xx 10^...

A metal rod of Young's modulus `2 xx 10^10 Nm^(-2)` undergoes an elastic strain of 0.02% the energy per unit volume stored in the rod in joule/`m^3` is

A

400

B

800

C

1200

D

1600

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The correct Answer is:
A
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AAKASH SERIES-MECHANICAL PROPERTIES OF SOLIDS-EXERCISE - 2 (STRAIN ENERGY )
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