A steel wire of length 1.5 m and area of...

A steel wire of length 1.5 m and area of cross section `1.5mm^2` is stretched by 1.5cm. Then the work done per unit volume.

A

`1 xx 10^7 J//m^3`

B

`2 xx 10^7 J//m^3`

C

`3 xx 10^7 J//m^3`

D

`4 xx 10^7 J//m^3`

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The correct Answer is:

A

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