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CGP EDU Academic Team
Published on: September 12, 2026
Coefficient of real expansion of mercury is 0.18 × × 10 –3 /°C. If the density of mercury at 0°C is 13.6 gm/cc. its density at 473K is
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Verified by ExpertsThe correct answer is:
A
$\rho = \rho_0 (1 - \gamma \cdot \Delta \theta) = 13.6 [1 - 0.18 \times 10^{-3} (473 - 273)]$
= 13.6[1 - 0.036] = 13.11gm/cc .
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