JEE Main 2022 · PhysicsNumerical answerNumerical valueMediumCalculation

JEE Main 26 July 2022, Shift 2, Physics Q54

Question 54 of 90 in this shift, Physics question 24 of 30, Section B.

Two lighter nuclei combine to form a comparatively heavier nucleus by the relation given below :

{}^{2}_{1}X + {}^{2}_{1}X = {}^{4}_{2}Y

The binding energies per nucleon for

{}^{2}_{1}X

and

{}^{4}_{2}Y

are 1.1 MeV and 7.6 MeV respectively. The energy released in this process is ____________ MeV.

Official answer

NTA final key.

Chapter: Nuclei
Topic: Nuclear Binding Energy
Idea tested: Binding Energy per Nucleon

Same idea in other shifts

Asked 6× in all

2 Apr 2026, Shift 2 · Q44The binding energy per nucleon of $\frac{209}{83}Bi$ isMediumSingle correct
2 Apr 2025, Shift 2 · Q38Energy released when two deuterons ( $_1\mathrm{H}^2$ ) fuse to form a helium nucleus ( $_2\mathrm{He}^4$ ) is : (Given : Binding energy per…EasySingle correct
27 Jan 2024, Shift 1 · Q60In a nuclear fission process, a high mass nuclide (A $\approx$ 236) with binding energy 7.6 MeV/Nucleon dissociated into middle mass…EasyNumerical value
8 Apr 2023, Shift 1 · Q55A nucleus with mass number $242$ and binding energy per nucleon as $7.6\ \mathrm{MeV}$ breaks into two fragment each with mass number…EasyNumerical value
4 Sep 2020, Shift 2 · Q18Find the Binding energy per neucleon for $^{120}_{50}\mathrm{Sn}$ . Mass of proton $m_p = 1.00783$ U, mass of neutron $m_n = 1.00867$ U and…EasySingle correct

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.