A wire fixed at the upper end stretches by length l by applying a force F. The work done in stretching is

JEE Main Physics question

A wire fixed at the upper end stretches by length by applying a force . The work done in stretching is

Answer: (D)

Since tension in a Hookean wire rises linearly from 0 to as it stretches from

Create a free account to read the complete working, and practise questions like this in a timed test.

Question ID VK-154868