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Two spheres of same size are made of same metal, but one is hollow and the other is solid. They are heated to same temperature then

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Both spheres will expand equally

Hollow sphere will expand more than solid one

Solid sphere will expand more than Hollow one

None of the above

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detailed solution

Correct option is A

Change in radius of both spheres are same.Change in radius Δr=r . α Δt'Δt' and ' α' are same for both spheres.Hence option - (1) is right.

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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