Which of the following gives the approximate relation between the coefficient of…

PHYSICS · Single correct · CBSE · Physics · Thermal Properties of Matter · Thermal Properties of Matter

Problem

Which of the following gives the approximate relation between the coefficient of superficial expansion (β) and the coefficient of linear expansion (α) for an isotropic solid? (a) β  ≈  3α\beta\;\approx\;3\alpha (b) β  ≈  2α\beta\;\approx\;2\alpha (c) β  ≈  α\beta\;\approx\;\alpha (d) β  ≈  α2\beta\;\approx\;\dfrac{\alpha}{2}

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