Nuclear Fission & Fusion: JEE Questions & Solutions
9 previous-year JEE Physics questions on Nuclear Fission & Fusion, each with a worked step-by-step solution.
Previous-year questions
- 01
The average energy released per fission for the nucleus of ²³⁵₉₂U is 190 MeV. When all the atoms of 47 g pure ²³⁵₉₂U undergo fission…
NVAEasyJEE 2026 - 02
Energy released when two deuterons (₁H²) fuse to form a helium nucleus (₂He⁴) is: (Given: Binding energy per nucleon of ₁H² = 1.1 MeV and…
MCQEasyJEE 2025 - 03
Match the LIST-I with LIST-II LIST-I LIST-II A. ¹₀n + ²³⁵₉₂ U → ¹⁴⁰₅₄ Xe + ⁹⁴₃₈ Sr + 2 ¹₀n I. Chemical Reaction B. 2H₂ + O₂ → 2H₂O II.…
MCQEasyJEE 2025 - 04
The explosive in a Hydrogen bomb is a mixture of ²₁H, ³₁H, and ⁶₃Li in some condensed form. The chain reaction is given by: ⁶₃Li + ¹₀n →…
MCQMediumJEE 2024 - 05
A nucleus at rest disintegrates into two smaller nuclei with their masses in the ratio 2:1. After disintegration, they will move:
MCQEasyJEE 2024 - 06
The energy released in the fusion of 2 kg of hydrogen deep in the sun is E_H and the energy released in the fission of 2 kg of ²³⁵U is E_U.…
MCQMediumJEE 2024 - 07
The energy released per fission of nucleus of ²⁴⁰X is 200 MeV. The energy released if all the atoms in 120 g of pure ²⁴⁰X undergo fission…
NVAEasyJEE 2023 - 08
A nucleus disintegrates into two smaller parts, which have their velocities in the ratio 3/2. The ratio of their nuclear sizes will be…
NVAEasyJEE 2023 - 09
A nucleus disintegrates into two nuclear parts, in such a way that ratio of their nuclear sizes is 1: 2^(1/3). Their respective speed have…
NVAEasyJEE 2023
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