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The value of coefficient of volume expansion of glycerin is 5 × 10–4 K–1. The fractional change in the density of glycerin for a rise of 40°C in its temperature is : |
0.010 0.015 0.020 0.025 |
0.020 |
\( \frac{\Delta \rho}{\rho} = \gamma \Delta T \) \( \gamma = 5 × 10^{-4} K^{-1} ; \Delta T = 40°C \) \( \frac{\Delta \rho}{\rho} = 0.02 \) |
