Q.

If  γg<γR and γg  is '+Ve' then(here γg is coefficient of volume expansion of glass; γR is coefficient of Real expansion of liquid)

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By Expert Faculty of Sri Chaitanya

a

liquid level falls

b

liquid level constant

c

liquid level raises

d

None

answer is 3.

(Detailed Solution Below)

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Detailed Solution

when liquid in a container is heated, container expands initially, hence liquid level falls, then liquid expands, finally liquid level in container raisesγr=γa+γ⇒γa=γr-γg=+ive as γr>γg∴Liquid level rises
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