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 Relation among coefficient of volume expansion of matter  γReal=γR,γapparent=γa&γglass=γg is (γReal is real expansion of liquid, γapparent is apparent expansion of liquid,γglass is volume expansion of glass)

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By Expert Faculty of Sri Chaitanya
a
γR=γaγg
b
γa=γRγg
c
γR=γa+γg
d
γg=γa+γR
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detailed solution

Correct option is C

when a container with liquid is heated , initially level of liquid falls due to expansion of container alone and not liquid, then liquid expands hence level of liquid in container now raises, in this experiment we can observe that over all expansion is real expansion between fall and raise of liquid levels


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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: αvessel =9×106/CγHg=18×105/C

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