Some of the most important chapters for the JEE Main 2025 examination are optics, electrochemistry, trigonometry, kinetics, heat and thermodynamics, and more.
The most important chapters for JEE Main 2025 are Optics and Modern Physics for the Physics section, Organic Chemistry and Electrochemistry for the Chemistry section, and Probability and Trigonometry for the Mathematics section.
Once students have finished reading through it, they will know where to start, what to focus on, and what to expect in the exam. They can also chalk out the high-weightage chapters for JEE Main 2025.
List of Most Important Chapters for JEE Main 2025
The table below shows an overview of the most important chapters for JEE Main 2025, along with the topics that they come under. It should be noted that the exam paper may or may not exclude some of these chapters.
But based on the questions provided in previous exam papers, there is a lot of emphasis given to the important topics for JEE Main. We recommend students to cover these chapters with utmost care.
| Subjects | Important Chapters for JEE Main |
|---|---|
| Physics | Mechanics |
| Modern Physics | |
| Heat and Thermodynamics | |
| Simple Harmonic Motion (SHM) and Waves | |
| Optics | |
| Rotational Motion | |
| Electrostatics | |
| Magnetism | |
| Chemistry | Organic Chemistry |
| Electrochemistry | |
| Thermochemistry and thermodynamics | |
| Ketones and Aldehydes | |
| Liquid Solutions | |
| Coordination Compound | |
| Ionic Equilibrium | |
| Hydrocarbons | |
| Isomerism | |
| Chemical Bonding | |
| Mathematics | Probability |
| Trigonometry | |
| Permutations and Combinations | |
| Series and Sequences | |
| Quadratic Equations | |
| Vector | |
| Integral and Differential Calculus | |
| Coordinate Geometry, Circle, and Conic Section | |
| Complex Numbers | |
| Matrix and Determinants |
Read More: JEE Main 2025 Last Minute Preparation Tips
Important Topics for JEE Main 2025 Chemistry
The list below gives students the names of the most important topics for JEE Main 2025 Chemistry that come under the chapters listed above. Most of these are considered to be the JEE Main most important chapters from class 11 preparations as well.
| Chapters | Topics Covered |
| Organic Chemistry | Alcohol and Ether |
| Haloalkanes | |
| Haloarenes & Phenols | |
| Carbonyl Compounds | |
| Biomolecules and Polymers | |
| General Organic Chemistry | |
| Isomerism | |
| Practical and Environmental Chemistry | |
| Hydrocarbons | |
| Classification and Nomenclature | |
| Physical Chemistry | Thermodynamics and Thermochemistry |
| Electrochemistry | |
| Atomic Structure | |
| Chemical Kinetics | |
| Gaseous State | |
| Solid State | |
| Chemical Equilibrium | |
| Ionic Equilibrium | |
| Mole Concept | |
| Properties of Solution | |
| Inorganic Chemistry | Chemical Bonding |
| Coordination Compounds | |
| Metallurgy | |
| Qualitative Analysis | |
| D/F/P/S Blocks |
Read More: How Many Marks are Required to Score 90 Percentile in JEE Main?
Important Topics for JEE Main 2025 Chemistry with Weightage
Important topics for JEE Main 2025 Chemistry are as mentioned above. The table displayed below shows the marks and JEE Main topic-wise weightage of Chemistry. This will further help in exam preparation.
| Total Questions | Topics | Weightage |
| 1 | Chemical Kinetics | 4 |
| 1 | Atomic Structure | 4 |
| 1 | Alkyl Halides | 4 |
| 1 | Solid State And Surface Chemistry | 4 |
| 1 | Redox Reaction | 4 |
| 1 | Electrochemistry | 4 |
| 1 | General Organic Chemistry | 4 |
| 1 | Stereochemistry | 4 |
| 1 | Hydrocarbon | 4 |
| 1 | Carboxylic Acid and their Derivatives | 4 |
| 1 | Carbohydrates, amino acid,s and Polymers | 4 |
| 1 | Aromatic Compounds | 4 |
| 2 | Chemical Bonding | 8 |
| 2 | Nuclear Chemistry And Environment | 8 |
| 2 | Periodic table and Representative Elements | 8 |
| 2 | Thermodynamics And Gaseous State | 8 |
| 2 | Chemical And Ionic Equilibrium | 8 |
| 3 | Transition Elements and Coordination Chemistry | 12 |
Physics Important Chapters for JEE Main 2025
Physics can be difficult, but focusing on the list of the most important chapters for JEE Main 2025 Physics section, they will be able to fetch more marks in the exam.
| Chapters | Topics Covered |
|---|---|
| Modern Physics | Atomic Structure |
| Experimental Physics | |
| Nuclear Physics | |
| Radioactivity | |
| Photoelectric Effects | |
| Conductors and Semiconductors | |
| Mechanics | Mathematics in Physics |
| Motion in Different Dimensions | |
| Newton's Laws of Motion | |
| Units and Dimensions | |
| Work, Power, and Energy | |
| Centre of Mass | |
| Momentum Conservation | |
| Gravitation | |
| Circular & Rotational Motions | |
| Simple Harmonic Motion (SHM) | |
| Matter and Fluid Mechanics | |
| Heat and Thermodynamics | Heat Transfer |
| Laws of Thermodynamics | |
| Matter and its Thermal Properties | |
| Calorimetry | |
| Kinetic Theory of Gasses | |
| Optics | Ray Optics |
| Wave Optics | |
| Electromagnetism | Charges and Fields |
| Potential and Capacitance | |
| Induction and AC/DC | |
| Electrostatics | |
| Magnetism, Classical Magnetism, and Magnetic Properties of Matter |
Read More: JEE Main Chapter wise Weightage 2025
Physics Important Chapters for JEE Main 2025 with Weightage
The JEE Main physics important topics are mentioned above. Let's now see the syllabus according to the topics and their chapter-wise weightage for JEE Main 2025.
| No. of Questions | Topics | Weightage |
| 1 | Kinematics | 3.33% |
| 1 | Electromagnetic Induction and Alternating Currents | 3.33% |
| 1 | Simple Harmonic Motion | 3.33% |
| 1 | Centre Of Mass, Impulse, and Momentum | 3.33% |
| 1 | Oscillations and Waves | 3.33% |
| 1 | Work, Power, and Energy | 3.33% |
| 1 | Properties of Solids and Liquids | 3.33% |
| 1 | Gravitation | 3.33% |
| 1 | Unit, Dimension, and Vector | 3.33% |
| 1 | Laws of Motion | 3.33% |
| 2 | Modern Physics | 6.6% |
| 2 | Magnetic Effects of Current and Magnetism | 6.6% |
| 3 | Thermodynamics | 6.67% |
| 3 | Optics | 6.67% |
| 3 | Current Electricity | 9.9% |
JEE Main 2025 Maths Important Chapters
Here’s a list of the most important chapters for JEE Main 2025 Mathematics exam. Although there are many topics covered, some of them are rather simple in content and short in length. Still, they may carry a lot of marks, given their utility in real-world applications.
| Chapters | Topics Covered |
|---|---|
| Algebra | Binomial Theorem |
| Complex Numbers | |
| Mathematical Induction | |
| Matrices and Determinants | |
| Permutations and Combinations | |
| Probability | |
| Set Theory and Relations | |
| Theory of Equation | |
| Coordinate Geometry | Circle |
| Ellipse | |
| Hyperbola | |
| Parabola | |
| Point and Straight Line | |
| Vector | |
| Integral Calculus | Area Under Curves |
| Definite Integration | |
| Differential Equation | |
| Indefinite Integration | |
| Differential Calculus | Continuity and Differentiability |
| Differential Coefficient | |
| Differentiation and Application of Derivatives | |
| Functions | |
| Limits | |
| Statistics and Mathematical Reasoning | Mathematical Reasoning |
| Statistics | |
| Trigonometry | Trigonometric Equations and Inequations |
| Trigonometric Ratios, Functions, and Identities | |
| Inverse Trigonometric Functions |
JEE Main 2025 Maths Important Chapters and Weightage
The following is the topic-wise weightage for JEE Main 2025 Maths syllabus. Candidates can refer to this table for a better understanding.
| No of Questions | Topics | Weightage |
| 1 | Trigonometry | 4 |
| 1 | Binomial Theorem and Its Application | 4 |
| 1 | Sequences and Series | 4 |
| 1 | Sets, Relation, and Function | 4 |
| 1 | Differential Equation | 4 |
| 1 | Permutations and Combinations | 4 |
| 1 | Differential Calculus | 4 |
| 1 | Statics and Dynamics | 4 |
| 1 | Mathematical Reasoning | 4 |
| 2 | Statistics and Probability | 8 |
| 2 | Three Dimensional Geometry | 8 |
| 2 | Complex numbers and Quadratic Equation | 8 |
| 2 | Vector Algebra | 8 |
| 2 | Matrices and Determinants | 8 |
| 3 | Integral Calculus | 12 |
| 3 | Limits, Continuity, and Differentiability | 12 |
| 5 | Coordinate Geometry | 20 |
Best Books to Cover JEE Main 2025 Important Topics
Aspirants might feel overwhelmed by the number of topics in the tables above. Not when they have the best books to cover JEE Main important topics!
Students will find below the names of the best books for JEE Main preparations. These books can be bought online via e-commerce websites such as Amazon or Flipkart. They cover all the core chapters and topics with written brevity and adequate conciseness, so students won’t feel confused as to what to study and how convoluted the content may be.
| Physics | Chemistry | Mathematics | |||
|---|---|---|---|---|---|
| Name | Author | Name | Author | Name | Author |
| Concepts of Physics (Vol 1 & 2) | HC Verma | Concise Inorganic Chemistry | JD Lee | Objective Mathematics | RD Sharma |
| Problems in General Physics | IE Irodov | Organic Chemistry | OP Tandon | Integral Calculus | Amit M Agarwal |
| Physics for IIT-JEE | Resnick, Halliday & Walker | Numerical Chemistry | P Bahadur | IIT Mathematics | ML Khanna |
| Understanding Physics | Freedman & Young | Concept of Physical Chemistry | P Bahadur | The Pearson Guide to Complete Mathematics for JEE | SL Loney |
| IIT-JEE Physics | DC Pandey | Modern Approach to Chemical Calculations | RC Mukherjee | Elements of Coordinate Geometry | SL Loney |
Read More: JEE Main Books 2025
Focusing on the high weightage topics and chapters can help the candidate to prepare well for the exam. practicing mock tests, previous year question papers, sample papers help with time management and Practicing skills.
