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Two communicating vessels contain mercur...

Two communicating vessels contain mercury. The diameter of one vessel is n times larger than the diameter of the other. A column of water of height h is poured into the left vessel (s=relate density of mercury and `rho_1= density of water`) by

A

`frac(n^2h)((n+1)^2) s`

B

`frac(h)((n^2+1)) s`

C

`frac(h)((n+1)^2) s`

D

`frac(h)((n^2)) s`

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