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If the coefficients of linear, areal, and volumetric expansion are α, β, and γ respectively, then the correct relation is:

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Question

If the coefficients of linear, areal, and volumetric expansion are α, β, and γ respectively, then the correct relation is:

Options

  • α : β : γ = 1 : 2 : 3

  • α : β : γ = 1 : 3 : 2

  • α : β : γ = 3 : 2 : 1

  • α : β : γ = 2 : 1 : 3

MCQ
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Solution

α : β : γ = 1 : 2 : 3

Explanation:

For isotropic solids, β ≈ 2α and γ ≈ 3α, so the ratio α : β : γ = 1 : 2 : 3.

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