Test SeriesFree PYQsExamsPricing

JEE Main Physics question

PhysicsMechanical Properties of SolidsJEE Main

Two wires are made of the same material and have the same volume. However, wire 1 has cross-sectional area and wire 2 has cross-sectional area . If the length of wire 1 increases by on applying force , how much force is needed to stretch wire 2 by the same amount?

Answer: (D)

Solution

Equal volume gives . From , we get . For wire 2, the force needed for the

See the full step-by-step solution

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

Create a free account

Question ID VK-154848