Class 12 · Physics

Nuclei

8 topics — from Introduction & Nuclear Density through Final Solved Problem. Expect about 1 question in NEET — roughly 4 of 720 marks.

Updated 25 Aug 2026 8 topics Physics · Class 12
In short

Nuclei is a Class 12 Physics chapter covering 8 topics. Expect about 1 question in NEET — roughly 4 of 720 marks.

8
Topics
In this chapter
1
Expected question
≈ 4 of 720 marks
12
Class
Physics
97
Chapters in the syllabus
27 in Physics

Topics covered #

8 topics, in teaching order.

  1. Introduction & Nuclear Density
  2. Nuclear Binding Energy
  3. Binding Energy per Nucleon
  4. Radioactivity
  5. Types of Radioactivity
  6. Laws of Radioactive Decay
  7. Average Life
  8. Final Solved Problem

Weightage #

Expect about 1 question in NEET — roughly 4 of 720 marks.

1 of 180 questions · 4 of 720 marks
This chapter's share of the paper. Weightage is indicative — it reflects how many questions have typically come from here, not a guarantee for any single year.

Practise this chapter #

Reading it once is not the same as being able to answer it under time.

Practice questionsChapter-wise MCQs with solutions Video lecturesTopic-by-topic walkthroughs Chapter testExam-format, timed NEET previous-year questionsPast questions from this chapter AIIMS previous-year questionsOlder AIIMS papers, same syllabus

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Frequently asked #

How many questions come from Nuclei in NEET?
About 1 question — roughly 4 of the 720 marks available. It is a Class 12 Physics chapter.
What topics does this chapter cover?
8 topics — from Introduction & Nuclear Density through Final Solved Problem. The full list is above.
Where can I practise Nuclei?
Chapter-wise MCQs, video lectures, a timed chapter test, and both NEET and AIIMS previous-year questions — all linked above.