Questions

There are two spheres of same material and radius. One is solid and the other is hollow. If they are heated to the same temperature the expansion of :

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solid sphere is more

hollow sphere is more

solid and hollow spheres are equal

solid is outwards while that of hollow inwards

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detailed solution

Correct option is C

The volume of cavity increases radially outward so as to match the volume expansion of solid sphere when increase in temperature is same for both.

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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