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The youngs modulus of the material of a ...

The youngs modulus of the material of a rod is `20xx10^10` pascal. When the longitudinal strain is 0.04%, The energy stored per unit volume is

A

`4 xx 10^(-3) J//m^3`

B

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

C

`16 xx 10^(-3) J//m^3`

D

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

Text Solution

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The correct Answer is:
D
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Knowledge Check

  • The poisson ratio for the material of a wire is 0.4. When a force is applied on the wire, longitudinal strain is (1/100) . The perecentage change in the radius of the wire is

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