A rod is fixed between two points at 20^ C. The coefficient of linear expansion of material of the rod is 1.1...

Question

A rod is fixed between two points at 20^ C. The coefficient of linear expansion of material of the rod is 1.1 10^ -5 /^ C and Young's modulus is 1.2 10^ 11 N/m^2. Find the stress developed in the rod if the temperature of the rod becomes 10^ C. [RPET 1997]

Accepted Answer

(A)

JEE Main Physics question

Solution