JEE Main 2019 — Rotational Motion Question with Solution
From: JEE Main 2019 (Online) 8th April Morning Slot
Question
A thin circular plate of mass M and radius R
has its density varying as (r) = 0r with 0 as
constant and r is the distance from its centre.
The moment of Inertia of the circular plate about
an axis perpendicular to the plate and passing
through its edge is I = aMR2. The value of the
coefficient a is :
Choose an option
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 2019, 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.