Questions

A flask of volume $10^{3} cc$ is completely filled with mercury at $0^{0} C .$ The coefficient of cubical expansion of mercury is $180 \times 10^{- 6} /^{0} C$ and that of glass is $40 \times 10^{- 6} /^{0} C .$
If the flask is now placed in boiling water at $100^{0} C,$ how much mercury will overflow?

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7 cc

14 cc

21 cc

28 cc

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detailed solution

Correct option is B

Overflowing mercury= 103(180-40)10-6×100=14cc

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A vessel having coefficient of cubical expansion $γ_{g}$ contains liquid Of coefficient of real expansion r_R up to certain level. When Vessel
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d	$γ_{g} = 0$	s	liquid level first falls and then rises