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Saturday, 31 October

JEE Main · Physics · System of Particles and Rotational Motion

MOI of Spheres About a Tangent

JEE Main asked MOI of Spheres About a Tangent 2 times in 2 of the 108 shifts Lumi analysed, in 2021 and 2023. It belongs to Moment of Inertia, in System of Particles and Rotational Motion (Physics). The longest wait between two years asking it was 2 years.

Updated 2026-10-24

Times asked
2
in 2 shifts
Years
2 of 8
First asked
2021
last in 2023
Pattern
Occasional
across the analysed shifts

Questions on this idea a shift, by year

2017–2026. Asked in 2021 and 2023. Years differ in how many shifts Lumi analysed, so each year is scaled to one shift of 25 Physics questions.

00.050.10’170’200.03’210’220.07’230’240’250’26

Raw count: 2017: 0 in 1 shift · 2020: 0 in 12 shifts · 2021: 1 in 24 shifts · 2022: 0 in 24 shifts · 2023: 1 in 12 shifts · 2024: 0 in 18 shifts · 2025: 0 in 8 shifts · 2026: 0 in 9 shifts.

Shift by shift

Each square is one analysed shift, in date order. Open a filled one for that paper.

  • 20260 of 9
  • 20250 of 8
  • 20240 of 18
  • 20231 of 12
  • 20220 of 24
  • 20211 of 24
  • 20200 of 12
  • 20170 of 1

Asked in that shift More than once Not asked

How JEE Main framed it

Numerical value is the usual form. Skill tested: calculation.

  • Moment of inertia of composite system
  • Moment of inertia about tangent vs angular momentum

Difficulty

Easy 0Medium 2Hard 0

1 of the 2 questions had a numerical answer.

Every question

All 2 questions

From the official JEE Main shift papers, newest first. Open one for the full question, the options and the official answer.

  1. 11 Apr 2023, Shift 1 · Q58A solid sphere of mass 500 g and radius 5 cm is rotated about one of its diameter with angular speed of 10 rad s−1^{-1}. If the moment of…MediumNumerical value
  2. 3 Aug 2021, Shift 2 · Q4A solid sphere of radius RR has mass MM. A rod of mass mm is attached tangentially to the sphere. What would be the moment of inertia…MediumSingle correct

Shifts: 3 Aug 2021, Shift 2, 11 Apr 2023, Shift 1.

Same topic

Other ideas in Moment of Inertia

Moment of Inertia has 18 ideas JEE Main has asked; 9 of them came up in more than one question. The 12 most asked are below.

Topic analysisChapter analysisStudy this chapterAll repeated ideas