Question

iii) Strain energy of a stretched wire is
18x10-3 J and strain energy per unit
volume of the same wire and same cross
section is 6x10-3 J/m². Its volume will
be....
(A) 3cm
(B) 3 m
(C) 6 m
(D) 6 cm​

Answer 1

I think answer will be 3m