List of top Physics Questions on Stress and Strain asked in NEET (UG)

A wire of length L, area of cross section A is hanging from a fixed support. The length of the wire changes to \(L_1\) when mass M is suspended from its free end. The expression for Young’s modulus is:

The following four wires are made of the same material. Which of these will have the largest extension when the same tension is applied ?