Question

If the force constant of a wire is K, the work done in increasing the length of the wire by l is [MP PMT 1989]
A) Kl/2 B) Kl C) K{{l}^{2}}/2 D) K{{l}^{2}}

Answer 1

Hello Friend...

The answer of u r question is. ..

Option C

Thank you..

Answer 2

hi

option c is correct thx