JEE Main 2023 — Rotational Motion Question with Solution
From: JEE Main 2023 (Online) 31st January Evening Shift
Question
Two discs of same mass and different radii are made of different materials such that their
thicknesses are and respectively. The densities of materials are in the ratio . The
moment of inertia of these discs respectively about their diameters will be in the ratio of . The
value of is ________.
Enter your answer
Show full solutionCorrect answer: 5
Correct answer
5
Step-by-step explanation
So
So
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This is a previous-year question from JEE Main 2023, covering the Rotational Motion chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.