14 JEE Main 2026 Nuclear Physics previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2026 previous-year questions from the Nuclear Physics chapter of Physics. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Nuclear Physics chapter hub.
The binding energy per nucleon of ²⁰⁹₈₃Bi is _______ MeV. [Take m(²⁰⁹₈₃Bi) = 208.980388 u, mp = 1.007825 u, mn = 1.0086…
Assuming the experimental mass of ¹²₆C as 12 u, the mass defect of ¹²₆C atom is _______ MeV/c². (Mass of proton = 1.007…
7.9 MeV α-particle scatters from a target material of atomic number 79. From the given data the estimated diameter of n…
A nucleus has mass number α and radius Rα. Another nucleus has mass number β and radius Rβ. If β=8 α then Rα / Rβ is:
An atom ₃⁸ X is bombarded by shower of fundamental particles and in 10 s this atom absorbed 10 electrons, 10 protons an…
Two radioactive substances A and B of mass numbers 200 and 212 respectively, shows spontaneous α-decay with same Q valu…
Given below are two statements: Statement I : For all elements, greater the mass of the nucleus, greater is the binding…
The energy released when (7)/(17.13) kg of ⁷₃Li is converted into ⁴₂He by proton bombardment is α × 10³² eV. The value…
Which of the following pair of nuclei are isobars of the element?
The minimum frequency of photon required to break a particle of mass 15.348 amu into 4 α particles is \\\\_ kHz. [mass…
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