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Saturday, 31 October

JEE Main · Physics · Wave Optics

Single Slit Minima Condition

JEE Main asked Single Slit Minima Condition 5 times in 5 of the 108 shifts Lumi analysed, in 2023, 2024, 2025 and 2026. It belongs to Single Slit Diffraction, in Wave Optics (Physics). The longest wait between two years asking it was 1 year. In 2024 it came in more than one shift of the same year.

Updated 2026-10-24

Times asked
5
in 5 shifts
Years
4 of 8
First asked
2023
last in 2026
Pattern
Comes in cycles
across the analysed shifts

Questions on this idea a shift, by year

2017–2026. Asked in 2023, 2024, 2025 and 2026. Years differ in how many shifts Lumi analysed, so each year is scaled to one shift of 25 Physics questions.

00.10.20’170’200’210’220.07’230.09’240.13’250.11’26

Raw count: 2017: 0 in 1 shift · 2020: 0 in 12 shifts · 2021: 0 in 24 shifts · 2022: 0 in 24 shifts · 2023: 1 in 12 shifts · 2024: 2 in 18 shifts · 2025: 1 in 8 shifts · 2026: 1 in 9 shifts.

Shift by shift

Each square is one analysed shift, in date order. Open a filled one for that paper.

  • 20261 of 9
  • 20251 of 8
  • 20242 of 18
  • 20231 of 12
  • 20220 of 24
  • 20210 of 24
  • 20200 of 12
  • 20170 of 1

Asked in that shift More than once Not asked

How JEE Main framed it

Numerical value is the usual form. Skill tested: calculation.

  • Separation between diffraction minima
  • Slit width from minima angles

Difficulty

Easy 4Medium 1Hard 0

3 of the 5 questions had a numerical answer.

Every question

All 5 questions

From the official JEE Main shift papers, newest first. Open one for the full question, the options and the official answer.

  1. 4 Apr 2026, Shift 1 · Q33A slit of width aa is illuminated by light of wavelength λ\lambda. The linear separation between 1st1^{\text{st}} and 3rd3^{\text{rd}}…EasySingle correct
  2. 2 Apr 2025, Shift 1 · Q50If the measured angular separation between the second minimum to the left of the central maximum and the third minimum to the right of the…MediumNumerical value
  3. 8 Apr 2024, Shift 1 · Q59A parallel beam of monochromatic light of wavelength 600 nm passes through single slit of 0.4 mm width. Angular divergence corresponding…EasyNumerical value
  4. 5 Apr 2024, Shift 2 · Q53In a single slit experiment, a parallel beam of green light of wavelength 550 nm passes through a slit of width 0.20 mm. The transmitted…EasyNumerical value
  5. 15 Apr 2023, Shift 1 · Q46A single slit of width aa is illuminated by a monochromatic light of wavelength 600 nm. The value of 'aa' for which first minimum…EasySingle correct

Shifts: 15 Apr 2023, Shift 1, 5 Apr 2024, Shift 2, 8 Apr 2024, Shift 1, 2 Apr 2025, Shift 1, 4 Apr 2026, Shift 1.

Same topic

Other ideas in Single Slit Diffraction

Single Slit Diffraction has 9 ideas JEE Main has asked; 4 of them came up in more than one question.

Topic analysisChapter analysisStudy this chapterAll repeated ideas