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» <html><body><p>8mc<br/>2 cm<br/>40 cm<br/>4 cm</p>Answer :A</body></html>