Q.
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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a
α=3β+2γ
b
α+β=γ
c
γ=23β+α
d
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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