When vapour condenses into liquid
It absorbs heat
It liberates heat
Its temperature increases
Its temperature decreases
(b) In vapor to liquid phase transition, heat liberates.
The coefficient of apparent expansion of a liquid in a copper vessel is $C$ and in a silver vessel is $ S$. The coefficient of volume expansion of copper is $\gamma_c$. What is the coefficient of linear expansion of silver?
A pendulum clock keeps correct time at $0°C$. Its mean coefficient of linear expansions is $\alpha /^\circ C$, then the loss in seconds per day by the clock if the temperature rises by $t°C$ is
Two holes of unequal diameters $d_1$ and $d_2$ $({d_1} > {d_2})$ are cut in a metal sheet. If the sheet is heated
At $NTP$ water boils at $100°C.$ Deep down the mine, water will boil at a temperature
The volume of a metal sphere increases by $0.24\%$ when its temperature is raised by $40°C$. The coefficient of linear expansion of the metal is ………. $°C$
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