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Saturday, 31 October

JEE Main · Physics · Nuclei

Q-Value from Binding Energies

JEE Main asked Q-Value from Binding Energies 2 times in 2 of the 108 shifts Lumi analysed, all in 2026. It belongs to Nuclear Binding Energy, in Nuclei (Physics). In 2026 it came in more than one shift of the same year.

Updated 2026-10-24

Times asked
2
in 2 shifts
Years
1 of 8
First asked
2026
the only year
Pattern
New since 2024
across the analysed shifts

Questions on this idea a shift, by year

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

00.150.30’170’200’210’220’230’240’250.22’26

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

Shift by shift

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

  • 20262 of 9
  • 20250 of 8
  • 20240 of 18
  • 20230 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

Single correct is the usual form. Skill tested: calculation.

  • Energy change from binding energy per nucleon
  • Fusion energy from binding energies per nucleon

Difficulty

Easy 1Medium 1Hard 0

Every question was multiple choice.

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. 6 Apr 2026, Shift 2 · Q41The energy released if hydrogen atoms are combined to form 24He^{4}_{2}\mathrm{He} is __________ MeV. (Take binding energies per nucleon of…EasySingle correct
  2. 4 Apr 2026, Shift 1 · Q29Two nuclei of mass number 33 combine with another nucleus of mass number 44 to yield a nucleus of mass number 1010. If the binding…MediumSingle correct

Shifts: 4 Apr 2026, Shift 1, 6 Apr 2026, Shift 2.

Same topic

Other ideas in Nuclear Binding Energy

Nuclear Binding Energy has 11 ideas JEE Main has asked; 8 of them came up in more than one question.

Topic analysisChapter analysisStudy this chapterAll repeated ideas