What is the relation between α,β&γ for isotropic solids, where α is coefficient of linear expansion of solid, β is coefficient of areal expansion of solid, γ is coefficient of volume expansion of solid

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α=3β+2γ

α+β=γ

γ=23β+α

β=γ3+4α

answer is B.

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Detailed Solution

coefficient of areal expansion of solid β=2α coefficient of volume expansion of solid γ=3α hence γ=α+β=α+2α=3α

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