Which Chapters Come Under Modern Physics Class 12: Check Topics and Preparation Tips

Joint Entrance Exam (JEE) Main 2026 ( JEE Main )

DeskCalelnderRegistration - 12 Mar '26 - 13 Mar '26

Saakshi Varsha
Saakshi Varsha Lama
Deputy Manager Content
Updated on Mar 2, 2026 10:53 IST
Which Chapters Come Under Modern Physics Class 12: Most entrance exams include questions from Modern Physics Class 12. These chapters usually have high weightage and help candidates score well in exam. Read to know more about Which Chapters Come Under Modern Physics Class 12, Topics and Preparation Tips.

Which Chapters Come Under Modern Physics Class 12: Students should know which chapters are important in Modern Physics Class 12 so that they can prepare accordingly. Since most entrance exams give more weightage to Modern Physics chapters, students can prepare and have higher chances of scoring well in exam. Read to know more about Modern Physics Class 12 chapters, topics, preparation tips and more.

Modern Physics Class 12 Chapters: Amongst all chapters in Physics syllabus, Modern Physics often has more weightage in popular engineering entrance exams such as JEE Mains. Since Modern Physics is more heavily covered in 12th class syllabus, the number of questions often seen in the previous years JEE Main question papers is always consistent or increasing. Students often prefer to attempt Modern Physics questions as much as possible to increase their scores in any important examination.

Students can check which chapters come under Modern Physics Class 12 here. Through detailed chapters and topic information, students can prepare for JEE Mains and other important entrance examinations. Most exams prepare questions based on NCERT or CBSE syllabus. Read to know Which Chapters Come Under Modern Physics Class 12.

Table of contents
  • Modern Physics Class 12 for JEE Main
  • NCERT Class 12 Modern Physics Chapters
  • How to Prepare for Modern Physics Class 12 chapters?
  • Best Books for JEE Main Modern Physics

Modern Physics Class 12 for JEE Main

Modern Physics focuses on exploring fundamental natures of matter, energy, space and time. It challenges everyday intuition with concepts like wave particle duality and curved space time, which forms basics for technologies like lasers, semiconductors, and nuclear energy.

In JEE Main, Modern Physics often has high weightage and students can secure good marks if they are fully prepared for it. JEE Main chapter-wise weightage topics can be checked to understand which units can be focused on for better results.

Some of the important high weightage chapter of Modern Physics Class 12 are Radioactivity, Semiconductors, Photoelectric Effect, Semiconductor Diode and more.

Also Read: Modern Physics Weightage in JEE Mains: Key Topics & Preparation Strategy

Q&A Icon
Commonly asked questions
Q:   How to crack JEE Mains in first attempt?
A: 

To be able to crack JEE Mains on the first attempt, candidates need to prepare from the early years of their education. JEE Main is a very competitive exam, with competition increasing each year. More than 13 Lacs candidates have appeared for the exam.

To compete and crack the exam, candidates should:

  1. Start early prep
  2. Seek proper guidance
  3. Have a routine
  4. Take mock tests and prepare using previous year papers
  5. Use good books for practice and revision
Q:   What is Chapterwise weightage of class 11 and 12 topics in JEE Main?
A: 

Chapterwise weightage of class 11 and 12 topics in JEE Main are mentioned below:

  • Physics: Current Electricity Waves AC, Magnetism, Laws of Motion Work, Power and Energy.
  • Chemistry the high weightage topics are s and p block elements, Coordination compounds, Thermodynamics Gaseous state, Chemical bonding, Atomic structure, Polymers, Environmental Chemistry Organic Chemistry.
  • Mathematics, the high weightage topics are Sequence and Series Vectors and 3D, Integral and Differential Calculus, Definite and Indefinite Integral.
Q:   Is JEE Main syllabus same for B.Tech, B.Arch and Plan?
A: 
The syllabus for JEE Main Paper 1 (BE/B.Tech), Paper 2A B.Arch and Paper 2B B. Plan is different. JEE Main paper 1 exam is conducted for admission to BE/B.Tech, Paper 2A for B.Arch and Paper 2B is conducted for B. Plan courses. JEE Main paper 1 syllabus consists of Physics Chemistry and Mathematics. Paper 2A syllabus has Mathematics, General Aptitude and Drawing while Paper 2B syllabus has Mathematics, General Aptitude and Planning. Candidates must note that Mathematics syllabus is common/same in all three papers.

NCERT Class 12 Modern Physics Chapters

Students can check the list of chapters under Modern Physics Class 12 according to NCERT syllabus. Detailed list of topics under each chapter is given below.

Chapter

Topics

Dual Nature and Radiation and Matter

Introduction

Electron Emission

Photoelectric Effect

Experimental Study of Photoelectric Effect

Photoelectric Effect and Wave Theory of Light

Einstein’s Photoelectric Equation; Energy Quantum of Radiation

Particle Nature of Light; The Photon

Wave Nature of Matter

Davisson and Germer Experiment

Atoms

Introduction

Alpha-Particle Scattering and Rutherford’s Nuclear Model of Atom

Atomic Spectra

Bohr Model of the Hydrogen Atom

The Line Spectra of the Hydrogen Atom

DE Broglie’s Explanation of Bohr’s Second Postulate of Quantisation

Nuclei

Introduction to Nuclei

Atomic Masses and Composition of Nucleus

Size of the Nucleus

Mass Energy and Nuclear Binding Energy

Nuclear Force

Radioactivity

Nuclear Energy

Semiconductor Electronics: Materials, Devices and Simple Circuits

Introduction

Classification of Metals, Conductors and Semiconductors

Intrinsic Semiconductor

Extrinsic Semiconductor

p-n Junction

Semiconductor Diode

Application of Junction Diode as a Rectifier

Special Purpose p-n Junction Diode

Junction Transistor

Digital Electronics and Logic Gates

Integrated Circuits

Communication Systems

Introduction of Communication Systems

Elements of Communication Systems

Basic Terminology Used in Electronic Communication Systems

Bandwidth of Signals

Bandwidth of Transmission Medium

Propagation of Electromagnetic Waves

Modulation and its Necessity

Amplitude Modulation

Production of Amplitude Modulated Wave

Detection of Amplitude Modulated Wave

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How to Prepare for Modern Physics Class 12 chapters?

  • First, students should be familiar with chapters included in Modern Physics Class 12 syllabus. Knowing syllabus thoroughly will help them to which topics and concepts will be used to prepare question paper.
  • Students can check high weightage topics and give them extra attention. These topics are likely to be repeated and students can score well if they are prepared for it.
  • Previous year question papers should be checked and solved to understand types of questions and scoring details.
  • Good reference materials should be used to study for topics included in Modern Physics.
  • Mock tests and sample papers which cater to Class 12 Modern Physics topics should be used. Chapter-wise questions should be solved so that students are thoroughly prepared.

Best Books for JEE Main Modern Physics

Check below the top recommended books for JEE Mains 2026:

  1. NCERT Physics Class XII
  2. Concepts of Physics by H.C. Verma (Vol II)
  3. Understanding Physics by D.C. Pandey (Arihant Publications)
  4. Fundamentals of Physics by Halliday, Resnick & Walker
  5. Modern Physics by Arthur Beiser
Q&A Icon
Commonly asked questions
Q:   Is JEE Main syllabus same as syllabus of JEE Advanced?
A: 

Not both are not same. But some topics are similar in JEE Main and JEE Advanced. Students who qualify the JEE Main exam and are among the top 250000 students are eligible to take the JEE Advanced.  Due to this reason majority of syllabi are the same, but a few extra topics are added in JEE Advanced.

Q:   Is JEE Main syllabus tough?
A: 

JEE Main syllabus is based on class 11 and 12 Physics, Chemistry and Maths topics. If you have focused while studying, then it will be easy to prepare for the exam otherwise, you may find it difficult. NCERT textbook is the best for Chemistry and Physics. You can also refer to other books for exam preparation. There are many preparation books suggested by the toppers of Joint Entrance Examination Main.   

Q:   How do I balance school studies with JEE Main preparation?
A: 

Students who are in class 12 and would also be appearing in JEE Mains 2026 exam mostly find it difficult to manage both their class/school and JEE studies. However, all these students have an advantage over others/droppers aspirants as there are many common topics in class 12 and JEE.

To benefit, they must identify all the topics that are common and study those first. Secondly, cover the topics that have more weightage in class 12 and complete them. Before a few days of JEE Mains, study specifically for JEE. This way, they can manage both class 12 and JEE efficiently. 

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