A liquid is kept in a cylindrical vessel...

A liquid is kept in a cylindrical vessel which is rotated along its axis. The liquid rises at the sides, if the radius of vessel is ` 0.05 m` and the speed of rotation is `2 rev//s`, find difference in the height of the liquid at the centre of the vessel and its sides.

`3 cm`

`2 cm`

`3//2 cm`

`2//3 cm`

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