Question

The Young's modulus of a wire is Y if the energy
per
unil volume is E then the strain will be.​

Answer 1

Answer:

Energy per unit volume E=

2

1

×Stress×Strain ........(1)

But from Hooke;s law, Stress=Y×Strain

∴ Equation (1) becomes E=

2

1

Y×(Strain)

2

⟹ Strain= √2E/Y