Questions

A metal ball immersed in alcohol weighs w₁ at 0⁰ C and W₂ at 50⁰C. The coefficient of cubical expansion of the metal is less than that of alcohol. If the density of the metal is large compared to that of alcohol, then

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w1 > w2

w1 = w2

w1 < w2

cannot be determined

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detailed solution

Correct option is C

If W0 is the weight of the metal in air, thenWo-W1 = Vo Dog and Wo-W2=Vt Dog.W1-W2 = (VtDt-VoDo)g V0D01+γst1-γlt-1-1g approximately

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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