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Rotational Motion — JEE Physics MCQs

Master Rotational Motion for JEE Main with free physics MCQs. Each question includes a detailed solution and instant feedback — practice at easy, medium, and hard difficulty levels to build exam-ready confidence.

2 practice questions with instant feedback and solutions.

Medium•Rotational Motion

A disc rotating at

60

rpm has its radius halved with no external torque. The new angular velocity is:

Medium•Rotational Motion

The moment of inertia of a uniform circular disc of mass

M

and radius

R

about an axis tangent to the disc and lying in its plane is: