Question

what do you mean by linear expansion. Derive the expression for coefficient of linear expansion. ​

Answer 1

what do you mean by linear expansion. Derive the expression for coefficient of linear expansion. thermal expansion

Answer 2

Explanation:

Thermal Expansion in Two Dimensions

For small temperature changes, the change in area ΔA is given by ΔA = 2αAΔT, where ΔA is the change in area A, ΔT is the change in temperature, and α is the coefficient of linear expansion, which varies slightly with temperature