JEE Main 2022 · PhysicsMultiple choiceSingle correctEasyApplication

JEE Main 26 June 2022, Shift 2, Physics Q34

Question 34 of 90 in this shift, Physics question 4 of 30, Section A.

A solid spherical ball is rolling on a frictionless horizontal plane surface about its axis of symmetry. The ratio of rotational kinetic energy of the ball to its total kinetic energy is -

(1) $\frac{2}{5}$
(2) $\frac{2}{7}$ Official answer
(3) $\frac{1}{5}$
(4) $\frac{7}{10}$

Official answer

Option 2

NTA final key.

Chapter: System of Particles and Rotational Motion
Topic: No close match in our taxonomy
Idea tested: No close match in our taxonomy