Questions

If $γ_{g} < γ_{R}$ and $γ_{g}$ is $' + V e'$ then $(h e r e γ_{g} i s c o e f f i c i e n t o f v o l u m e e x p a n s i o n o f g l a s s; γ_{R} i s c o e f f i c i e n t o f R e a l e x p a n s i o n o f l i q u i d)$

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By Expert Faculty of Sri Chaitanya

liquid level falls

liquid level constant

liquid level raises

None

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detailed solution

Correct option is C

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

Similar Questions

A glass vessel is partially filled with mercury and when both are heated together, the volume of the unfilled part of vessel remains constant at all temperature. Find the initial volume (in cm³) of mercury if the empty part measures 34 cm³ $[Given: α_{vessel} = 9 \times 10^{- 6} /^{\circ} C$ $γ_{Hg} = 18 \times 10^{- 5} /^{\circ} C]$