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JEE PHYSICS MCQ: THERMAL PROPERTIES OF MATTER

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Analyzing +4 | -1
Statement-I: The linear coefficients of expansion of a crystal along three perpendicular axes are α,−α2,α5.\alpha, \frac{-\alpha}{2}, \frac{\alpha}{5}. Its volume coefficient is 7α10\frac{7 \alpha}{10}
Statement-II: For anisotropic solids γ=αx+αy+αz\gamma=\alpha_x+\alpha_y+\alpha_z.
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Correct option: A
Statement-I is true and statement-II is true
Option A (Statement-I is true and statement-II is true) is correct because the volume coefficient of expansion is the sum of the linear coefficients in anisotropic solids.

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