JEE Main 2024 · PhysicsMultiple choiceSingle correctEasyCalculation

JEE Main 9 April 2024, Shift 1, Physics Q47

Question 47 of 90 in this shift, Physics question 17 of 30, Section A.

The energy equivalent of

1

g of substance is :

(1) $5.6$ eV
(2) $5.6\times10^{12}$ MeV
(3) $11.2\times10^{24}$ MeV
(4) $5.6\times10^{26}$ MeVOfficial answer

Official answer

Option 4

NTA final key.

Chapter: Nuclei
Topic: Nuclear Binding Energy
Idea tested: Total Binding Energy

Same topic in other shifts

All Nuclear Binding Energy questions

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5 Apr 2026, Shift 2 · Q44Assuming the experimental mass of ${}^{12}_{6}\mathrm{C}$ as 12 u, the mass defect of ${}^{12}_{6}\mathrm{C}$ atom is ________…EasySingle correct
6 Apr 2026, Shift 1 · Q48The energy released when $\frac{7}{17.13}$ kg of $^{7}_{3}\mathrm{Li}$ is converted into $^{4}_{2}\mathrm{He}$ by proton bombardment is…MediumNumerical value
6 Apr 2026, Shift 2 · Q41The energy released if hydrogen atoms are combined to form $^{4}_{2}\mathrm{He}$ is __________ MeV. (Take binding energies per nucleon of…EasySingle 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

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 42 of the 174 JEE Main shifts held from 2017 to 2026.