JEE Main 2020PhysicsRotational MotionMediumMCQ

JEE Main 2020 — Rotational Motion Question with Solution

JEE Main 2020 (06 Sep Shift 1)

Question

Four point masses, each of mass m, are fixed at the corners of a square of side I. The square is rotating with angular frequency ω, about an axis passing through one of the corners of the square and parallel to tis diagonal, as shown in the figure. The angular momentum of the square about the axis is

  

Choose an option

Show full solutionCorrect option: C
Correct answer
C3mℓ2ω

Step-by-step explanation

  

1=Ml22+m(le)2

3mℓ2ω

 

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About this question

This is a previous-year question from JEE Main 2020, 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.