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

The youngs modulus of the material of a rod is 20xx10^10pascal. When t

1.	The youngs modulus of the material of a rod is 20xx10^10pascal. When the longitudinal strain is 0.04%, The energy stored per unit volume is
Answer» `4XX10^(-3)J//m^(3)` `8XX10^(3)J//m^(3)` `16xx10^(-3)J//m^(3)` `16xx10^(3)J//m^(3)` ANSWER :4