NEET UG · Physics · Wave Optics
Polarisation and Malus's Law
NEET asked Polarisation and Malus's Law 6 times, in 2017, 2018, 2020, 2024 and 2025: 6 of the 1,875 questions in the 10 papers from 2017–2026. It belongs to Single Slit Diffraction, in Wave Optics (Physics). The longest wait between two papers asking it was 4 years.
Updated 2026-10-08
- Times asked
- 6
- in 2017–2026
- Papers
- 5
- of 10
- First asked
- 2017
- last in 2025
- Chance next paper
- 11%
- calibrated historical rate
Questions on this idea, by paper
2017–2026. 2017, 2018, 2020, 2024 and 2025.
How NEET framed it
One-line MCQ is the usual form. Skill tested: concept.
- True statement selection on brewster's angle
- Numerical
Chance asked next paper 11%
Every question
All 6 questions
From the official NEET UG papers, newest first. Open one for the full question, the options and the official answer.
- 2025 Q27An unpolarized light beam travelling in air is incident on a medium of refractive index 1.73 at Brewster's angle. Then-One-line MCQ · Easy
- 2025 Q43The intensity of transmitted light when a polaroid sheet, placed between two crossed polaroids at 22.5° from the polarization axis of one…Numerical · Medium
- 2024 Q2An unpolarised light beam strikes a glass surface at Brewster's angle. ThenOne-line MCQ · Easy
- 2020 Q138The Brewsters angle for an interface should be :One-line MCQ · Medium
- 2018 Q8Unpolarised light is incident from air on a plane surface of a material of refractive index ''. At a particular angle of incidence…One-line MCQ · Medium
- 2017 Q37Two Polaroids and are placed with their axis perpendicular to each other. Unpolarised light is incident on . A…Numerical · Easy
Papers: NEET 2017, NEET 2018, NEET 2020, NEET 2024, NEET 2025.
Same topic
Other ideas in Single Slit Diffraction
Single Slit Diffraction has 3 ideas NEET has asked; 1 of them came up in more than one question.
- Angular Radius of Airy Diskonce · 2020
- Resolving Power of Instrumentsonce · 2017