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In a cylidrical glass container a solid ...

In a cylidrical glass container a solid silica is placed vertically at its bottom and remaining space is filled with mercury upto the top level of the silica. The volume of silica remains unchanged with variation in temperature. The coefficient of cubical expansion of mercury is `gamma` and coefficient of linear expansion of glass is `alpha`. If the top surface of silica and mercury level remain at the same level wiht the variation in temperature then the ratio of volume of silica tothe volume of mercury is equal:

A

`(gamma)/(2alpha)`

B

`(gamma)/(3alpha)`

C

`(gamma)/(2alpha)-1`

D

`(gamma)/(3alpha)-1`

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