Questions

Volume of mercury in the bulb of a thermometer is $10^{- 6} m^{3}$ . Area Of cross section of capillary tube is $2 \times 10^{- 7} m^{2} \cdot γ_{Hg} = 18 \times 10^{- 5} /^{\circ} C$ , If temperature is raised by $100^{\circ} C$ , length of mercury column raised in to the tube is (neglect expansion of glass)

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9 mm

9 cm

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detailed solution

Correct option is B

Δv=v1γΔt Al=v1γ∆t

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Similar Questions

A vessel having coefficient of cubical expansion $γ_{g}$ contains liquid Of coefficient of real expansion r_R up to certain level. When Vessel
Is heated, match column I and column II.

	Column - I		Column - II
a	$γ_{g} < γ_{R}$	p	liquid level rises continuously from beginning
b	$γ_{g} = γ_{R}$	q	liquid level falls continuously from beginning
c	$γ_{g} > γ_{R}$	r	liquid level remains same
d	$γ_{g} = 0$	s	liquid level first falls and then rises