JEE Main 2025 Important Topics & Chapters for Physics, Mathematics, and Chemistry
This is a comprehensive study guide for JEE Main 2025 Important Chapters & Topics for Physics, Mathematics, and Chemistry. It picks up important topics of Class 11 and 12, including core topics like Mechanics, Electrostatics, Organic Chemistry, and Calculus. The study guide also provides expert advice on preparation, exam tactics, and rational learning of high-scoring topics. Ideal for candidates who aim to excel in JEE Main 2025 with strategic preparation.

Conducted for 2025, JEE Main will be one of the quintessential engineering entrance examinations for students seeking entry into the hallowed portals of NITs, IIITs, and GFTIs. And if one knows the important chapters and topics, preparation will be vastly improved, followed by an equally huge increase in chances of scoring sets. This article provides an elaborate breakdown of the important topics in Physics, Mathematics, and Chemistry for JEE Main 2025 according to subjects.
Significant Chapter and Topics in JEE Main Physics 2025
Physics in JEE Main checks the conceptual knowledge well as the numericals; hence it is further bifurcated into the Class XI and Class XII syllabus. The most important chapters are listed down here:
- Class XI Physics Important Topics
- Kinematics – Motion in a straight line, projectile motion, relative motion.
- Laws of Motion – Newton’s laws, friction, circular motion.
- Work, Energy, and Power – Work-energy theorem, conservation of energy, potential and kinetic energy.
- Rotational Motion – Torque, moment of inertia, angular momentum.
- Gravitation – Kepler’s laws, satellites, acceleration due to gravity.
- Oscillations and Waves – Simple harmonic motion; damped and forced oscillation; wave motion.
- Thermodynamics – Laws of thermodynamics, heat transfer, calorimetry.
- Properties of Matter – Elasticity, viscosity, surface tension.
- Physics Important Topics Class XII
- Electrostatics-Coulomb's Law; Electric Field and Potential; Gauss' Theorem
- Current Electricity-Ohm's Law; Kirchhoff's Laws; Series and Parallel Circuits.
- Magnetism and Electromagnetic Induction-Biot-Savart's Law; Ampere's Law; Faraday's Law
- Optics-Reflection, Refraction, Lens Formula, Interference, Diffraction
- Modern Physics-Photoelectric Effect, Bohr's Model, Dual Nature of Matter
- Semiconductors and Communication Systems will include: diodes, transistors, and logic gates.
Most Important Chapters and Topics in Mathematics for JEE Main 2025
Mathematics requires analytical and problem-solving abilities. Therefore, an extensive consideration ought to be made for the following topics for the sake of JEE Main 2025:
- Class XI Important Topics in Mathematics
- Sets, Relations, and Functions means domain, range, types of functions.
- Trigonometry means identities, equations, inverse-trigonometry.
- Quadratic Equations means roots, discriminants, nature of roots.
- Sequences and Series means AP, GP, sum of series.
- Coordinate Geometry means straight lines, circles, parabola, hyperbola.
- Binomial Theorem means Expansion, General term, properties.
- Statistics and Probability include Mean, Variance, probability theorems.
- Permutations and Combinations include Arrangement, selection, fundamental principle of counting.
- Important Topics for Class 12 Mathematics
- Differential Calculus: Limits, continuity, differentiation, and application of derivatives
- Integral Calculus: Definite and indefinite integration, area under curves
- Vector Algebra: Dot-product, cross-product and equations of planes
- Three-Dimensional Geometry: Line equation, plane equation, distance between points.
- Matrices and Determerminats: Properties, inverses, system of equations.
- Complex Numbers: Modulus, conjugate, and polar form.
- Probability and Statistics: Bayes theorem, mean deviation.
- Mathematical Reasoning and Logic: Statements, truth values, logical operations.
JEE Main 2025 Important Chapters and Topics for Chemistry
Chemistry in JEE Main is divided into Physical Chemistry, Organic Chemistry, and Inorganic Chemistry. Here are the most scoring chapters for JEE Main 2025:
- Physical Chemistry Important Topics
- Some Basic Concepts of Chemistry – Mole concept, stoichiometry.
- Atomic Structure – Bohr's model, quantum numbers.
- Chemical Bonding and Molecular Structure – Hybridization and VSEPR theory.
- Chemical Thermodynamics – Enthalpy, entropy, and Gibbs free energy.
- Chemical Kinetics – Order of reactions, activation energy.
- Equilibrium – Law of mass action and Le Chatelier's principle.
- Electrochemistry – Nernst equation, conductance, electrolysis.
- Surface Chemistry – Adsorption, catalysis, colloids.
- Organic Chemistry Important Topics
- General Organic Chemistry (GOC) – Inductive effect, resonance, hyperconjugation.
- Hydrocarbons – Alkanes, alkenes, alkynes, reactions of benzene.
- Alcohols, Phenols, and Ethers – Reactions, properties.
- Aldehydes and Ketones – Nucleophilic addition, oxidation, and reduction.
- Carboxylic Acids and Derivatives – Acidity and decarboxylation.
- Amines – Basicity and reactions with nitrous acid.
- Biomolecules and Polymers – Carbohydrates, protines
- Inorganic Chemistry Important Topics
- Periodic Table and Periodicity – Trends in properties.
- Chemical Bonding – Lewis structures, VBT, MOT.
- Coordination Compounds – Ligands, coordination number, isomerism.
- Metallurgy – Extraction of metals, refining methods.
- P-Block Elements – Group 13-18 elements, properties, reactions.
- D-Block and F-Block Elements – Transition elements, color, oxidation states.
- Environmental Chemistry – Pollution, greenhouse effect.
Subject Weightage for JEE Main 2025
The JEE Main 2025 covers three major subjects, each weighted strategically in terms of chapter weightage. In Physics, Mechanics account for 30 percent, while Electrodynamics follow with 12 percent weightage. Mathematics has a lot of emphasis on Calculus, Algebra, and Coordinate Geometry; examinations put heavy emphasis on application-based problems. Chemistry largely balances Physical with Inorganic and Organic Chemistry, with important topics being Stoichiometry, Chemical Equilibrium, and Organic Reactions.
Key Areas of Focus:
- Mechanics in Physics
- Calculus in Mathematics
- Stoichiometry in Chemistry
Candidates should give important weighting to topics but with an overall view of all chapters for better performance in this highly competitive engineering entrance examination.
Topic | Weightage | Number of Questions |
---|---|---|
Mechanics | 30% | 10 |
Electrodynamics | 12% | 9 |
Modern Physics | 8% | 6 |
Thermodynamics | 2.6% | 2 |
Optics | 2.6% | 2 |
SHM & Waves | 1.3% | 1 |
Topic | High Weightage | Low Weightage |
---|---|---|
Calculus | Limits, Continuity | Indefinite Integral |
Algebra | Functions | Permutation & Combination |
Coordinate Geometry | Application of Derivatives | Properties of Triangle |
Vector Algebra | Conic Sections | - |
Probability | - | - |
Branch | Important Topics |
---|---|
Physical Chemistry | Stoichiometry, Chemical Equilibrium, Thermodynamics |
Inorganic Chemistry | s-Block, p-Block elements, Ores and Alloy Compositions |
Organic Chemistry | Reactions of Alkanes, Alkenes, Alkynes, Benzene |
Tips to Prepare for JEE Main 2025
Preparation for JEE Main 2025 is a process of planning, devoted effort, and steady endeavor. The JEE is one of India's toughest exams; hence a candidate must focus on skillful time management, conceptual clarity, and purposeful practice to secure a commendable rank. Here are some major tips to follow that will enhance your preparation and improve your performance:
1. Understand the Syllabus
The very first step towards JEE Main preparation is an in-depth understanding of the syllabus. Topics of syllabus under Physics, Chemistry, and Mathematics will be mainly on the basis of NCERT books of Classes 11 and 12. Be thorough with each topic while highlighting chapters with high weightage. NCERT books are a must; however, standard books like HC Verma for Physics, RD Sharma for Mathematics, and OP Tandon for Chemistry would definitely help strengthen your preparation.
2. Solve Previous Year Papers
The practice of solving JEE Main papers is very important, as it helps in
- Understanding the pattern of the examination and its difficulty level.
- Identifying topics that are frequently asked.
- Improving speed and accuracy.
Doing at last 10 years of previous question papers will help you become familiar with the trends of the questions being asked and it will also boost your confidence.
3. Time Management
Time management is the lifeline of effective preparation. So, build a well-set timetable for the study, which are:
Covers Physics, Chemistry, and Mathematics every day. Concentrate on weaker subjects without skipping other balancing subjects. There is time allotted for breaks so that burnout does not set in. Consistency is key; do follow the timetable to keep yourself in check.
4. Take Mock Tests & Practice Papers
Mock tests try to create real exam excitement. So attempting mock tests full-time in some intervals will:
- Sharpen your time management strategies.
- Help you with the analysis of your strengths and weaknesses.
- Help cut down on anxiety on the day of the examination.
Mock tests should be an integral part of your study calendar, taking at least twice a week with an appropriate look at all mistakes done in order to find ways to reduce those mistakes further.
5. Clearest Concept
The JEE Main Question relies more on conceptual clarity than mere memorizing. Make sure that:
You understand basic concepts before undertaking complex problems. Doubts become clear immediately, and weaker areas should be revised. Application questions are being practiced to aid in problem-solving. A firm conceptual base will aid in confidently tackling even the trick question in consideration.
6. Make a Formula Sheet
Physics and Mathematics involve innumerable formulas, derivations, and shortcuts. The works of having a formula sheet or a notebook will be:
- Quick for the revision before the examination.
- Time-saving when solving sums.
- Useful in instilling key formulas in memory through regular updating.
Ensure these formulas are revised every day, emptying your minds of confusion on their last days.
7. Avoid Random Guessing
Guessing randomly owing to the negative marking in JEE main might harm your score; instead,
- Attempt only for the questions you are somewhat sure about.
- Elimination for the difficult varieties in multiple-choice questions.
- Do not fixate on too much on one question. If it does not work out, move on.
8. Stay Consistent and Motivated:
JEE prepping is a long journey requiring one's utmost dedication and perseverance. Staying motivated is about:
- Having realistic goals and tracking the progress you make on them.
- Taking short and periodic breaks will help reduce stress and prevent burnout.
- Join a study circle or take coaching classes when in need of guidance.
- Be positive and have confidence in yourself.
Conclusion
Your chances of success in JEE Main 2025 truly depend on smart work, discipline, and practice. Have clarity of concepts, practice problem-solving, and perform lots of mock tests in order to rise up to the occasion. With steady determination, proper management of time, and full confidence, anything can be possible. The JEE Main is within your reach!