Questions

A body suspended from a spring balance is immersed in water. If the coefficient of cubical expanison of water is twice that of the suspended body, then on heating the liquid, which one of the following would occur ?

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The reading on the spring balance increases

The reading on the spring balance decreases

The reading on the spring balance remains the same

The water flows out of the container

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detailed solution

Correct option is A

If W be the true weight of the body and B0 be the initial buoyant force, then initial reading , W1 = W-B0 . On heating new buoyant force becomes Final reading, Since , we conclude W2 > W1

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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