JEE Main 2019 Physics question

A long cylindrical vessel is half filled with a liquid. When the vessel is rotated about its own vertical axis, the liquid rises up near the wall. If the radius of vessel is 5 cm and its rotational speed is 2 rotations per second, then the difference in the heights between the centre and the sides, in cm, will be:

• (A)2.0Correct
• (B)1.2
• (C)0.1
• (D)0.4