Question

Derive an expression for the coefficient of linear expansion in
solid?

Answer 1

Answer:

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Linear thermal expansion is ΔL = αLΔT, where ΔL is the change in length L, ΔT is the change in temperature, and α is the coefficient of linear expansion, which varies slightly with temperature. The change in area due to thermal expansion is ΔA = 2αAΔT, where ΔA is the change in area....

Answer 2

Answer:

First answer is the best answer