Atoms and Nuclei: JEE MAIN previous year questions

Physics

Updated 10 Oct 2026

Questions here: 1
Years: 2026
Weightage in 2026: 4.0%
Answers on the official key: 1 of 1

How often it is asked

Share of the subject's questions on this chapter, counted from the papers we have digitised so far. As more papers are added these figures firm up.

20264.0% of the subject: 1 of 25 questions, from 1 paper we have digitised

All 1 questions

Q44Two radioactive substances A and B of mass numbers 200 and 212 respectively, shows spontaneous … -decay with same … value of 1 MeV. The ratio of energies of…JEE Main 2026 Session 2 Question Paper: 8 Apr, Shift 2 (B.E./B.Tech)

Atoms and Nuclei JEE MAIN PYQs with… | SchoolToCareer