JEE Main 2024 — Rotational Motion Question with Solution
JEE Main 2024 (08 Apr Shift 2)
Question
A thin circular disc of mass and radius is rotating in a horizontal plane about an axis passing through its centre and perpendicular to its plane with angular velocity . If another disc of same dimensions but of mass is placed gently on the first disc co-axially, then the new angular velocity of the system is :
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Show full solutionCorrect option: C
Correct answer
C
Step-by-step explanation
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This is a previous-year question from JEE Main 2024, 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.