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प्रश्न
Which of the following materials has the lowest coefficient of linear expansion?
पर्याय
Aluminium
Carbon (diamond)
Copper
Iron
MCQ
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उत्तर
Carbon (diamond)
Explanation:
Diamond has α = 0.1 × 10⁻⁵ K⁻¹, the lowest in the table, because of its very strong covalent bonds.
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