JEE Main Physics · Nuclei

Nuclear Binding Energy in JEE Main

Name: Nuclear Binding Energy: JEE Main previous year questions
Creator: Lumi

Nuclear Binding Energy (Physics, Nuclei) came 17 times in 16 of the 42 JEE Main shifts Lumi analysed, across 9 distinct ideas. 13 of them came in 2024–26; it was last asked in 2026.

Questions: 17; in 16 shifts
Ideas asked: 9; 4 asked more than once
Numerical answer: 3; 18% of its questions
Pattern: Asked most years; last asked 2026

Questions each year

In the shifts Lumi analysed for each year.

Difficulty and format

Easy 12Medium 5Hard 0

Format

Single correct12 Q
Numerical value3 Q
Assertion–reason2 Q

Ideas inside the topic

9 ideas

Mass Defect Calculation4 Q
Nuclear Radius and Density4 Q
Q-Value from Binding Energies2 Q
Binding Energy per Nucleon2 Q
Stability Curve Interpretation1 Q
Total Binding Energy1 Q
Macroscopic Energy Yield1 Q
Q-Value and Reaction Spontaneity1 Q
Q-Value Calculation1 Q

Where it sits

Part of Nuclei, which had 38 questions in all. Nuclear Binding Energy accounts for 45% of them. In Lumi's JEE taxonomy it belongs to Modern Physics.

Every question

All 17 Nuclear Binding Energy questions

Newest first, each with its options and official answer.

2 Apr 2026, Shift 2 · Q44The binding energy per nucleon of $\frac{209}{83}Bi$ isMediumSingle correct
4 Apr 2026, Shift 1 · Q29Two nuclei of mass number $3$ combine with another nucleus of mass number $4$ to yield a nucleus of mass number $10$ . If the binding…MediumSingle correct
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
7 Apr 2025, Shift 2 · Q44Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : The density of…EasyAssertion–reason
8 Apr 2025, Shift 2 · Q44For a nucleus of mass number A and radius R, the mass density of nucleus can be represented asEasySingle correct
8 Apr 2024, Shift 1 · Q46Binding energy of a certain nucleus is $18\times10^8$ J. How much is the difference between total mass of all the nucleons and nuclear…EasySingle correct
9 Apr 2024, Shift 1 · Q47The energy equivalent of $1$ g of substance is :EasySingle correct
31 Jan 2024, Shift 1 · Q60The mass defect in a particular reaction is 0.4g. The amount of energy liberated is $n\times10^7$ kWh, where $n=$ _______. (speed of light…EasyNumerical value
31 Jan 2024, Shift 2 · Q47The mass number of nucleus having radius equal to half of the radius of nucleus with mass number 192 is:EasySingle correct
31 Jan 2024, Shift 2 · Q60A nucleus has mass number $A_1$ and volume $V_1$ . Another nucleus has mass number $A_2$ and Volume $V_2$ . If relation between mass number…EasyNumerical value
13 Apr 2023, Shift 2 · Q48Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A : The binding energy per…MediumAssertion–reason
24 Jun 2022, Shift 1 · Q45Nucleus A is having mass number 220 and its binding energy per nucleon is 5.6 MeV. It splits in two fragments 'B' and 'C' of mass numbers…EasySingle correct
3 Aug 2021, Shift 2 · Q12If $A$ , $Z$ and $M$ represents the number of nucleons, protons and mass of the nucleus respectively, then mass defect $\Delta M$ is…EasySingle correct
6 Sep 2020, Shift 2 · Q18Given the masses of various atomic particles $m_p=1.0072$ u, $m_n=1.0087$ u, $m_e=0.000548$ u, $m_{\bar\nu}=0$ , $m_d=2.0141$ u, where…MediumSingle correct