JEE Main 2021 — Rotational Motion Question with Solution
From: JEE Main 2021 (Online) 27th August Morning Shift
Question
Moment of inertia of a square plate of side l about the axis passing through one of the corner and perpendicular to the plane of square plate is given by :
Choose an option
Show full solutionCorrect option: D
Correct answer
D
Step-by-step explanation
According to perpendicular Axis theorem.

Ix + Iy = Iz
Iz

Ix + Iy = Iz
Iz
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This is a previous-year question from JEE Main 2021, 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.