Physics, asked by rohanmandal790, 1 month ago

derive an expression of a coefficient of areal expansion

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Answered by snehalpradhan13

7

Answer:

Explanation: 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.

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