Most Important Physics Chapters for JEE Mains 2026
Preparing for JEE Mains 2026 requires a smart strategy. Physics is often considered the most challenging subject, but with the right focus on the most important physics chapters for JEE Mains 2026, you can maximise your score. The chapter-wise weightage has not been revised for 2026, so analysing past years’ papers is the best way to identify the JEE Mains 2026 important chapters.
This blog provides a detailed breakdown of the important physics chapters JEE 2026, their weightage, and preparation strategies. It also includes tables for clarity, FAQs, and a conclusion to help you plan effectively.
Why Chapter-Wise Weightage Matters
The JEE physics weightage is based on repeated trends from past exams. By studying the last five years’ chapter-wise distribution, aspirants can identify which topics carry maximum marks. This allows you to prioritise chapters that are most likely to appear again in JEE Mains 2026.
JEE Main Past 5 Years Chapter-Wise Weightage for Physics
The table below shows the chapter-wise weightage for Physics based on the last five years of JEE Main papers.
|
S. No. |
Chapter Name |
Chapter Weightage |
|
1 |
Units and Measurements |
4.24% |
|
2 |
Motion in a Straight Line |
2.63% |
|
3 |
Motion in a Plane |
2.92% |
|
4 |
Newton’s Laws of Motion |
2.05% |
|
5 |
Work, Energy & Power |
2.37% |
|
6 |
Centre of Mass & System of Particles |
2.56% |
|
7 |
Rotational Motion |
4.31% |
|
8 |
Gravitation |
4.49% |
|
9 |
Mechanical Properties of Solids |
2.08% |
|
10 |
Mechanical Properties of Fluids |
3.00% |
|
11 |
Thermal Properties of Matter |
2.08% |
|
12 |
Kinetic Theory of Gases |
2.88% |
|
13 |
Thermodynamics |
3.06% |
|
14 |
Oscillations |
3.25% |
|
15 |
Waves |
1.94% |
|
16 |
Electric Charges and Fields |
3.18% |
|
17 |
Electrostatic Potential and Capacitance |
4.49% |
|
18 |
Current Electricity |
6.57% |
|
19 |
Moving Charges and Magnetism |
2.89% |
|
20 |
Magnetism and Matter |
1.90% |
|
21 |
Electromagnetic Induction |
3.25% |
|
22 |
Alternating Current |
3.73% |
|
23 |
Electromagnetic Waves |
2.96% |
|
24 |
Ray Optics and Optical Instruments |
5.04% |
|
25 |
Wave Optics |
2.30% |
|
26 |
Dual Nature of Radiation and Matter |
4.05% |
|
27 |
Atoms |
2.48% |
|
28 |
Nuclei |
3.14% |
|
29 |
Semiconductor Electronics |
4.75% |
JEE Main 2025 Physics Chapter-Wise Questions
The distribution of questions in JEE Main 2025 highlights recurring topics.
|
Chapter Name |
April Session |
January Session |
|
Ray Optics and Optical Instruments |
19 |
23 |
|
Units and Measurements |
13 |
20 |
|
Rotational Motion |
13 |
14 |
|
Electric Charges and Fields |
13 |
14 |
|
Fluid Mechanics |
10 |
16 |
|
Moving Charges and Magnetism |
12 |
12 |
|
Thermodynamics |
9 |
13 |
|
Electrostatic Potential and Capacitance |
12 |
9 |
|
Wave Optics |
9 |
10 |
|
Dual Nature of Radiation and Matter |
7 |
12 |
|
Semiconductor Electronics |
9 |
10 |
|
Current Electricity |
8 |
9 |
|
Work, Power and Energy |
4 |
11 |
|
Gravitation |
6 |
8 |
|
Electromagnetic Waves |
5 |
9 |
|
Thermal Properties of Matter |
5 |
8 |
|
Waves |
10 |
3 |
|
Alternating Current |
6 |
7 |
|
Kinetic Theory of Gases |
7 |
5 |
|
Atoms |
7 |
5 |
|
Newton’s Laws of Motion |
8 |
3 |
|
Motion in a Plane |
6 |
4 |
|
Motion in a Straight Line |
5 |
4 |
|
Simple Harmonic Motion |
4 |
5 |
|
System of Particles and Centre of Mass |
3 |
5 |
|
Nuclei |
5 |
3 |
|
Mechanical Properties of Solids |
6 |
1 |
|
Electromagnetic Induction |
1 |
6 |
|
Magnetism and Matter |
3 |
0 |
|
Vector and Calculus |
0 |
1 |
Physics Subdiscipline Question Trends
The subdiscipline-wise distribution shows which areas dominate the Physics section.
|
Year |
Mechanics |
Electromagnetism |
Modern Physics |
Heat & Thermodynamics |
Optics |
Oscillation & Waves |
|
2025 |
35.0% |
26.9% |
17.1% |
6.9% |
8.8% |
5.3% |
|
2024 |
36.3% |
31.0% |
14.7% |
7.0% |
7.0% |
4.0% |
Class-Wise Distribution of Physics Questions
|
Year |
Attempt |
Class XI |
Class XII |
|
2024 |
January |
141 |
159 |
|
2024 |
April |
143 |
157 |
|
2025 |
January |
121 |
129 |
|
2025 |
April |
109 |
116 |
Key Takeaways for JEE Mains 2026 Physics
- Focus on Ray Optics, Units and Measurements, Electrostatics, Thermodynamics, and Fluid Mechanics.
- Mechanics, Electromagnetism, and Modern Physics together account for more than 75% of the paper.
- Class XII topics slightly dominate, but Class XI chapters like Gravitation and Rotational Motion are equally important.
Conclusion
The most important physics chapters for JEE Mains 2026 are those that consistently carry high weightage across past years. By focusing on these JEE Mains 2026 important chapters, you can build a strong foundation and improve your chances of scoring well. Smart preparation means prioritising chapters with repeated questions and balancing Class XI and XII topics.
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Frequently Asked Questions (FAQs)
Q1. To what extent do Class XI and XII subjects carry weightage in JEE Mains 2026?
Both classes are important. Class XII slightly dominates, but Class XI contributes significantly to Mechanics and Gravitation.
Q2. Is it a good practice to concentrate only on high-weightage chapters?
Yes, but do not ignore low-weightage chapters completely. They can still appear and boost your score.
Q3. Is the chapter-wise weightage revised every year?
No. The official website confirms that the JEE Main chapter-wise weightage 2026 is not revised.
Q4. How should I prepare for JEE Mains 2026 Physics?
Focus on repeated chapters, practise past papers, and balance Class XI and XII topics.