JEE PYQ: Rotational Motion Question 68
Question 68 - 2019 (12 Jan Shift 1)
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:
(1) 2.0
(2) 0.1
(3) 0.4
(4) 1.2