NEET UG 2026 · Physics · Question 31
NEET 2026 Physics, question 31
Question 31 of the NEET 2026 paper (re-exam) is a Physics question from System of Particles and Rotational Motion. Its idea, Angular Momentum about Different Points, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 3.
Updated 2026-10-08
Q31 · Physics
A thin horizontal disc is rotating about a vertical axis passing through its fixed centre O. Its angular momentum is and computed about points A and B, respectively, with . The value of is :
The figure, described in words
Circle (disc) centred at O; points A and B lie on a dashed line from O outward, with A just outside the rim and B farther out (OB = 2 x OA).
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- 31Official answer
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Official answer: option 3 · NTA final answer key
Same idea
The only question on Angular Momentum about Different Points
No other NEET paper from 2017–2026 tested this exact idea.
Angular Momentum about Different Points: 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.