KEAM 2021 Physics and Chemistry Solved Paper

According to the law of conservation of angular momentum, when no external torque acts on rotating object, angular momentum remains conserved.
However, rotational kinetic energy is given as
(KE)R=‌

1

2

Iω2
where, I is moment of inertia and ω is angular frequency.
⇒‌‌(KE)R∝I