The JEE Main chapter-wise weightage of the last 10 years shows that nearly 30-35% of questions come from high-weightage chapters of Physics, Chemistry and Mathematics.
As per the 10-year PYQ analysis,
- For Maths, around 12-15 questions are from coordinate Geometry, calculus, limits, Continuity and differentiability, making it around 40 marks.
- For Chemistry, around 3-4 questions are from Transition Elements and Coordination Chemistry and Periodic tables chapter, making it around 30 marks.
- For Physics, around 5 questions are from Modern Physics, along with that 3-4 questions are from heat & Thermodynamics, optics and current electricity.
As per student discussion over Reddit, each chapter of JEE Main 2026 carries an average of 1-5 questions.
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Key Summary
- Mechanics, Electrodynamics, and Modern Physics contribute nearly 70% of Physics.
- Reaction mechanisms, Inorganic Chemistry chapters are the high weightage in Chemistry.
- Calculus and algebra together account for nearly 70% of the weightage in Mathematics.
- Focusing on high-weightage and short chapters can significantly boost overall JEE Main scores.
JEE Main Chapter-Wise Weightage for Physics
Mechanics, electrodynamics, and modern physics dominated physics in the last 10 years.
- Approximately 70% of the questions come from these topics.
- Current electricity, electrostatics, and Optics have maintained consistent weightage in physics.
- Modern physics is a high-scoring chapter. It consists of topics like the photoelectric effect, the Bohr model, and nuclear physics.
- Electrostatics and current electricity together contribute 12-15 mark range.
| Chapter | Avg Weightage (%) | Avg Questions (Out of 25) | Marks range |
|---|---|---|---|
| Modern Physics | 14-18% | 3-4 | 12-16 |
| Electrostatics + Current Electricity | 10-13% | 2-3 | 8-12 |
| Mechanics (Kinematics, NLM, WEP) | 9-12% | 2-3 | 8-12 |
| Magnetism + EMI + AC | 8-12% | 2-3 | 8-12 |
| Optics (Ray + Wave) | 6-9% | 1-2 | 4-8 |
| Thermodynamics + KT | 6-9% | 1-2 | 4-8 |
| Rotational Motion and COM | 4-7% | 1-2 | 4-8 |
| SHM & Waves | 3-5% | 1 | 4 |
| Gravitation | 2-4% | 0-1 | 0-4 |
| Properties of Matter, Units | 2-4% | 0-1 | 0-4 |
Also Read:
- High Weightage JEE Physics Chapters: Check Class 11 and 12 Physics Chapters
- Download Previous Year Physics Question Papers with Solution PDFs
- How to score 80+ in JEE Main Physics
Ques. What are the most important high-weightage chapters in class 11 physics for JEE Main?
Ans. High weightage chapters in class 11 physics are
- System of particles and rotational motion → ~7%
- Mechanical properties of solids and fluids → ~5%
- Thermal properties and Thermodynamics→ ~5%
- Oscillations and waves → ~5%
Chemistry: JEE Main Chapter-wise Weightage for Last 10 Years
- Chemistry is considered the most scoring subject in JEE Main. The marks distribution between numerical problems and theory is balanced.
- Physical chemistry and Inorganic chemistry each cover over 30% weightage.
- Organic chemistry contributes around 35-40% to the total chemistry section.
| Chapter | Avg Weightage (%) | Average Questions (Out of 25) | Marks range |
|---|---|---|---|
| Organic Reaction Mechanism (GOC) | 12-16% | 3-4 | 12-16 |
| Coordination Compounds & P-Block | 9-12% | 2-3 | 8-12 |
| Chemical Bonding | 8-11% | 2-3 | 8-12 |
| Thermodynamics + Equilibrium | 6-9% | 1-2 | 4-8 |
| Aldehydes, Ketones, Carboxylic Acids | 5-8% | 1-2 | 4-8 |
| Chemical Kinetics | 4-6% | 1 | 4 |
| Periodic Table & d-block | 4-6% | 1 | 4 |
| Electrochemistry | 3-5% | 1 | 4 |
| Surface Chemistry | 2-4% | 0-1 | 0-4 |
Also Read:
- High Weightage Chapters for JEE Mains 2026 Chemistry
- Download Previous Year Chemistry Question Papers with Solution PDFs
Mathematics: JEE Main Chapter-wise Weightage of Last 10 Years
- Mathematics has significant weightage, often around 35%.
- Calculus and algebra have the highest weightage in the mathematics section. Together, these chapters carry 70% of the weightage.
- Coordinate geometry, 3D geometry, and calculus consistently carried significant weightage in the last decade.
| Chapter | Avg Weightage (%) | Avg Questions | Marks Range |
|---|---|---|---|
| Coordinate Geometry | 12-16% | 3-4 | 12-16 |
| Calculus | 12-16% | 3-4 | 12-16 |
| Algebra | 10-14% | 2-3 | 8-12 |
| Matrices and Determinants | 6-9% | 1-2 | 4-8 |
| Vectors and 3D Geometry | 5-8% | 1-2 | 4-8 |
| Probability and Statistics | 4-7% | 1-2 | 4-8 |
| Trigonometry | 3-6% | 1 | 4 |
| Sets, Relations, and Functions | 3-5% | 1 | 4 |
| Permutation and Combination | 2-4% | 0-1 | 0-4 |
Also Read:
- How to Secure 80+ in JEE Mains Maths
- Download Previous Year Maths Question Papers with Solution PDFs
Ques. Which doable and high-weightage chapters in maths can get me 20-25 marks in JEE Main?
Ans. Binomial theorem and sequence, permutations and combinations, probability. These chapters are shorter and also have high weightage.
Analysis of JEE Main chapter-wise weightage of the last 10 years provides insights for the preparation. High weightage chapters in mathematics are calculus and coordinate geometry. Modern physics, electrostatics, and electric current are the highest weightage in physics. Focus on Organic chemistry, coordination compounds, and electrochemistry in chemistry.
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