Q. A cylinder full. Of water, is rotating about its own axis with uniform angular velocity $\omega.$ The shape of free surface of water will be
A) Parabola
B) Elliptical
C) Circular
D) Spherical
Explanation
(a) The shape of free surface of water is parabolic, because of difference in centrifugal force $(F = mr\omega^{2},\ $which is proportional to $r)$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.