JEE Main Physics · Ray Optics and Optical Instruments
Prism Refractive Index
Prism Refractive Index (Ray Optics and Optical Instruments) was asked 2 times in 2 JEE Main shifts, 2025–2026, out of the 42 shifts Lumi analysed. 1 of the 2 had a numerical answer.
- Times asked
- 2
- in 2 shifts
- Years
- 2025–2026
- Usual format
- Numerical value
- Calculation
- Pattern
- New since 2024
- repeats across shifts
How it is asked
- Refractive index from minimum deviation
- Angle of incidence at minimum deviation
Difficulty
Easy 2Medium 0Hard 0
Where it sits
Chapter: Ray Optics and Optical Instruments. Topic: Prism Deviation, 8 questions over 4 ideas.
Other repeat ideas in this topic
Every time it came
All 2 questions
Newest first, each with its options and official answer.
- 6 Apr 2026, Shift 2 · Q42Angle of minimum deviation is equal to the half of the angle of prism in an equilateral prism. The refractive index of the prism is…EasySingle correct
- 2 Apr 2025, Shift 2 · Q49A ray of light suffers minimum deviation when incident on a prism having angle of the prism equal to . The refractive index of…EasyNumerical value