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Two immiscible liquid of densities rho a...

Two immiscible liquid of densities rho and `3rho` are put in a container. The height of each liquid is h. A solid cylinder of length L and density d is put in this container. The cylinder floats completely inside liquids with its axis vertical and length `L/3` in the denser liquid. The density d is equal to

A

`5 rho /3`

B

`3rho /5`

C

`2 rho /3`

D

`4 rho`

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