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Saturday, 31 October

JEE Main · Chemistry · Structure of Atom

Orbital and Spin Angular Momentum

JEE Main asked Orbital and Spin Angular Momentum 2 times in 2 of the 108 shifts Lumi analysed, in 2023 and 2025. It belongs to Quantum Numbers, in Structure of Atom (Chemistry). The longest wait between two years asking it was 2 years.

Updated 2026-10-24

Times asked
2
in 2 shifts
Years
2 of 8
First asked
2023
last in 2025
Pattern
Occasional
across the analysed shifts

Questions on this idea a shift, by year

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

00.10.20’170’200’210’220.07’230’240.13’250’26

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: 0 in 18 shifts · 2025: 1 in 8 shifts · 2026: 0 in 9 shifts.

Shift by shift

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

  • 20260 of 9
  • 20251 of 8
  • 20240 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.

  • Orbital angular momentum of s and p electrons
  • Orbital angular momentum of electron

Difficulty

Easy 2Medium 0Hard 0

1 of the 2 questions had a numerical answer.

Every question

All 2 questions

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

  1. 3 Apr 2025, Shift 2 · Q52For electrons in '2s' and '2p' orbitals, the orbital angular momentum values, respectively are :EasySingle correct
  2. 13 Apr 2023, Shift 2 · Q83The orbital angular momentum of an electron in 3s orbital is xh2π\frac{xh}{2\pi}. The value of xx is ______ (nearest integer)EasyNumerical value

Shifts: 13 Apr 2023, Shift 2, 3 Apr 2025, Shift 2.

Same topic

Other ideas in Quantum Numbers

Quantum Numbers has 23 ideas JEE Main has asked; 9 of them came up in more than one question. The 12 most asked are below.

Topic analysisChapter analysisStudy this chapterAll repeated ideas