NEET UG 2019 · Physics · Question 15
NEET 2019 Physics, question 15
Question 15 of the NEET 2019 paper (code P1) is a Physics question from Ray Optics and Optical Instruments. Its idea, Rainbow Formation, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 3.
Updated 2026-10-08
Q15 · Physics
Pick the wrong answer in the context with rainbow.
- 1When the light rays undergo two internal reflections in a water drop, a secondary rainbow is formed.
- 2The order of colours is reversed in the secondary rainbow.
- 3An observer can see a rainbow when his front is towards the sun.Official answer
- 4Rainbow is a combined effect of dispersion, refraction and reflection of sunlight.
Official answer: option 3 · NTA final answer key
Same idea
The only question on Rainbow Formation
No other NEET paper from 2017–2026 tested this exact idea.
The chapter
Ray Optics and Optical Instruments in ten years of NEET
26 questions from 2017–2026, asked in 10 of 10 papers, about 2.5 a paper. Prisms, Dispersion and Optical Instruments alone had 8.