The density of water at $$20$$°C is $$998$$ $$kg/m3$$ and that at $$40$$°C is $$992$$ $$kg/m3$$. The coefficient of cubical expansion of water is

Correct option is 4none of these

Questions

The density of water at 20°C is 998 kg/m³ and that at 40°C is 992 kg/m³. The coefficient of cubical expansion of water is

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0.2 x 10-4/°C

0.4 x 10-4/°C

0.6 x 10-4/°C

none of these

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detailed solution

Correct option is D

ρ0=ρ(1+γt) ∴ 998=992(1+γ×20) γ=620×992=6×10−41.9840/∘C

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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