Strain energy of a stretched wire is 18 ...

Strain energy of a stretched wire is `18 xx 10^3J` and strain energy per unit volume of the same wire and same cross section is `6 xx 10^3 J//m^3`. Its volume will be
A. `3cm^3`
B. `3m^3`
C. `6m^3`
D. `6cm^3`

A

`3cm^3`

B

`3m^3`

C

`6m^3 `

D

`6cm^3`

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