MCQ
The work done in stretching an elastic wire per unit volume is 
  • A
    $Stress$ $ \times $ $Strain$
  • $\frac{1}{2} \times $$Stress$ $ \times $$Strain$
  • C
    $2 \times {\rm{strain}} \times {\rm{stress}}$
  • D
    $Stress$$/$$Strain$

Answer

Correct option: B.
$\frac{1}{2} \times $$Stress$ $ \times $$Strain$
b
(b) Factual question. $u=\frac{1}{2}$ stress $\times$ strain

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