Question

Relation between linear expansion and arial expansion​

Answer 1

The relationship between the area and linear thermal expansion coefficient is given as the following: αA=2αL α A = 2 α L . Just like the linear expansion coefficient, the area thermal expansion coefficient works as an approximation over a narrow temperature interval only.

α = coefficient of linear expansion

β = coefficient of areal expansion

γ = coefficient of volume expansion

Since, coefficient of linear expansion is in one direction and areal in two dimension followed by three dimension in case of volume expansion. So, to compensate that factor the relation between them will be like.

α = β /2= γ /3

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Answer 2

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