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A metal rod fo Young's modulus 2xx10^(1...

A metal rod fo Young's modulus `2xx10^(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`

Text Solution

Verified by Experts

The correct Answer is:
A
Strain energy per unit volume `= (1)/(2)Y ("Strain")^(2)`
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