question_answer

The work done in stretching an elastic wire per unit volume is or strain energy in a stretched string is [NCERT 1981; EAMCET (Med.) 1995; MNR 1981; MP PET 1984; RPMT 1999; DCE 2003]

A) Stress \[\times \] Strain         

B)                 \[\frac{1}{2}\times \]Stress \[\times \]Strain

C)                 \[2\times \text{strain}\times \text{stress}\]         

D)                 Stress/Strain