NEET UG 2019 · Physics · Question 4
NEET 2019 Physics, question 4
Question 4 of the NEET 2019 paper (code P1) is a Physics question from Work, Energy and Power. Its idea, Elastic Collisions in 1D, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 2.
Updated 2026-10-08
Q4 · Physics
Body A of mass 4m moving with speed u collides with another body B of mass 2m, at rest. The collision is head on and elastic in nature. After the collision the fraction of energy lost by the colliding body A is :
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- 2Official answer
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Official answer: option 2 · NTA final answer key
Same idea
The only question on Elastic Collisions in 1D
No other NEET paper from 2017–2026 tested this exact idea.
Elastic Collisions in 1D: every question and how it was framed
The chapter
Work, Energy and Power in ten years of NEET
16 questions from 2017–2026, asked in 9 of 10 papers, about 1.5 a paper. Power and Collisions alone had 4.