The Young's modulus of the material of a...

The Young's modulus of the material of a wire is `2xx10^(10) N m^(-2)` If the elongation strain is 1% then the energy stored in the wire per unit volume in `J m^(-3) ` is

A

`10^(6)Jm^(-3)`

B

`10^(8)Jm^(-3)`

C

`2xx10^(6)Jm^(-3)`

D

`2xx10^(8)Jm^(-3)`

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The correct Answer is:

A

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