NEET UG 2021 · Physics · Question 36
NEET 2021 Physics, question 36
Question 36 of the NEET 2021 paper (code O1) is a Physics question from System of Particles and Rotational Motion. Its idea, Moment of Inertia of Standard Bodies, was asked 3 times, in 2018, 2021 and 2024, across NEET 2017–2026. The NTA final answer key gives option 3.
Updated 2026-10-08
Q36 · Physics
From a circular ring of mass 'M' and radius 'R' an arc corresponding to a 90° sector is removed. The moment of inertia of the remaining part of the ring about an axis passing through the centre of the ring and perpendicular to the plane of the ring is 'K' times ''. Then the value of 'K' is :
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- 3Official answer
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Official answer: option 3 · NTA final answer key
Same idea
Moment of Inertia of Standard Bodies, in other papers
NEET asked this idea 3 times, in 2018, 2021 and 2024. The other 2 questions below.
- 2024 Q27The moment of inertia of a thin rod about an axis passing through its mid point and perpendicular to the rod is 2400 g cm. The length…Numerical · Easy
- 2018 Q31Three objects, A : (a solid sphere), B : (a thin circular disk) and C : (a circular ring), each have the same mass M and radius R. They…One-line MCQ · Medium
Moment of Inertia of Standard Bodies: every question and how it was framed
The chapter
System of Particles and Rotational Motion in ten years of NEET
25 questions from 2017–2026, asked in 10 of 10 papers, about 2.4 a paper. Rotational Motion alone had 21.