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JEE Main 2026 · PhysicsMultiple choiceSingle correctEasyCalculation

JEE Main 6 April 2026, Shift 2, Physics Q41

Question 41 of 75 in this shift, Physics question 16 of 25, Section A.

The energy released if hydrogen atoms are combined to form

^{4}_{2}\mathrm{He}

is __________ MeV. (Take binding energies per nucleon of

^{2}_{1}\mathrm{H}

and

^{4}_{2}\mathrm{He}

as 1.1 MeV and 7.2 MeV, respectively)

(1)6.1
(2)24.4Official answer
(3)26.6
(4)5

Official answer

Option 2

NTA final key.

Chapter: Nuclei
Topic: Nuclear Binding Energy
Idea tested: Q-Value from Binding Energies

Same idea in other shifts

Asked 2× in all

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

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.