JEE Main Physics · Wave Optics
Malus's Law Calculation
Malus's Law Calculation (Wave Optics) was asked 3 times in 3 JEE Main shifts, 2024–2026, out of the 42 shifts Lumi analysed. 1 of the 3 had a numerical answer.
- Times asked
- 3
- in 3 shifts
- Years
- 2024–2026
- Usual format
- Single correct
- Multi-step
- Pattern
- New since 2024
- repeats across shifts
How it is asked
- Intensity ratio through polarizer sequence
- Rotation angle from transmitted intensity
Difficulty
Easy 1Medium 2Hard 0
Where it sits
Chapter: Wave Optics. Topic: Polarization, 6 questions over 4 ideas.
Every time it came
All 3 questions
Newest first, each with its options and official answer.
- 4 Apr 2026, Shift 2 · Q42An unpolarized light of certain intensity passes through a combination of two polarizers whose transmission axes are at and…MediumSingle correct
- 6 Apr 2026, Shift 1 · Q47An unpolarized light of intensity passes through polarizer and then through a certain optically active solution and finally it goes…MediumNumerical value
- 30 Jan 2024, Shift 2 · Q45A beam of unpolarised light of intensity is passed through a polaroid and then through another polaroid which is oriented so…EasySingle correct