A liquid is kept in a cylindrical vessel which is rotated along is its axis. The liquid rises at the side. If the radius of the vessel is 5cm and the speed of rotation is 4 rev/s, then the difference in the height of the liquid at the centre of the vessel and its sides is

A liquid is kept in a cylindrical vessel which is rotated along is its

1.	A liquid is kept in a cylindrical vessel which is rotated along is its axis. The liquid rises at the side. If the radius of the vessel is 5cm and the speed of rotation is 4 rev/s, then the difference in the height of the liquid at the centre of the vessel and its sides is
Answer» 8mc 2 cm 40 cm 4 cm Answer :A