Most Important Chapters For JEE Mains 2025

Table of Contents

When it comes to competitive examinations like the Joint Entrance Examination (JEE), mastering certain important topics is vital for a higher score. With a sea of topics and subjects to cover, focusing on these key areas can be your ticket to a top percentile ranking. This blog aims to break down the most important topics for the JEE exam and how you can prepare effectively.

JEE 2025 : An Overview

The Joint Entrance Examination (JEE) is a national-level examination conducted for students who aspire to study engineering and architecture in prestigious Indian colleges. It’s bifurcated into two parts – JEE Main and JEE Advanced. The key to acing these exams is understanding the importance of specific topics that have a higher weightage in terms of marks.

Significance of JEE Main 2025 Important Topics

The Joint Entrance Examination (JEE) exam requires a comprehensive understanding of a wide range of topics in Physics, Chemistry, and Mathematics. With such a vast syllabus, focusing on the most important topics can significantly enhance your exam preparation.

The significance of these important topics is numerous:

Weightage: These important topics often have a higher weightage in the exam. This means that most of the questions in the examination are likely to be from these topics.
Efficiency: Focusing on important topics can help manage your time more efficiently. Instead of trying to cover the entire syllabus, you can channel your efforts toward mastering these critical areas.
Better Understanding: These important topics often form the foundation for other topics. Thus, a strong grasp of these topics can lead to a better understanding of other related topics.
Confidence: Mastering these important topics can boost your confidence. The more topics you have thoroughly prepared, the better equipped you will be to handle the exam pressure.
Improved Score: Given the high weightage and frequency of questions from these important topics, being well-prepared in these areas can significantly improve your score.
Time Management: Preparing these topics first ensures that you have ample time to revise and tackle other parts of the syllabus.

However, it’s important to remember that the concept of ‘important topics’ doesn’t mean one should ignore other topics. Questions can come from any part of the syllabus, and the weightage can vary each year. Therefore, a balanced approach with a special focus on these important topics would be the most effective strategy.

JEE Main 2025 Important Topics – Physics

The Joint Entrance Examination (JEE) covers a vast syllabus, and Physics is one of its three major components. To make your preparation more efficient, it is helpful to focus on the most important topics that have been frequently asked in previous exams. Here are the crucial topics you should focus on for Physics in JEE Main 2025:

Mechanics: This area of physics is concerned with the behavior of objects under the action of forces. This section begins with understanding the concepts of distance and displacement, speed and velocity in ‘Kinematics’. ‘Laws of Motion’ include Newton’s three laws and the concepts of friction. ‘Work, Energy, and Power’ comprise the work-energy theorem, kinetic energy, potential energy, and conservation of mechanical energy. ‘System of Particles and Rotational Motion’ introduces the concept of the center of mass, rotational motion, and moment of inertia. ‘Gravitation’ focuses on Newton’s law of gravitation, gravitational potential energy, and satellite motion.
Electrostatics: This involves the study of electric charges at rest. Topics such as Coulomb’s law, electric field and potential due to a point charge, dipole, and system of charges, Gauss’s law, and its applications to find field due to infinitely long uniformly charged straight wire, uniformly charged infinite plane sheet, and uniformly charged thin spherical shell are important.
Current Electricity & Magnetism: ‘Current Electricity’ is about the flow of electric charge. This section covers Ohm’s law, electrical resistance, and conductivity, electrical energy and power. ‘Magnetism’ topics include moving charges and magnetism, magnetism, and matter. It includes the concept of the magnetic field, force on a moving charge in a magnetic field, and magnetic field due to a current-carrying conductor.
Electromagnetic Induction & Alternating Current: ’Electromagnetic Induction deals with Faraday’s laws, induced emf and current, Lenz’s Law, and Eddy currents. ‘Alternating Current’ introduces the concepts of peak and RMS value of alternating current/voltage, reactance and impedance, and LC oscillations.
Optics: ’Ray Optics’ involves the reflection and refraction of light at plane and curved surfaces, total internal reflection, and optical instruments. ‘Wave Optics’ covers Huygens’ principle, interference, Young’s double-slit experiment, and diffraction.
Modern Physics: ’Dual Nature of Radiation and Matter’ includes topics like electron emission, photoelectric effect, and particle nature of light. ‘Atoms’ involves atomic models, spectra, and X-rays. ‘Nuclei’ is about nuclear instability, radioactive decay laws, and nuclear energy. ‘Electronic Devices’ cover the working of simple diodes, transistors, and logic gates.
Thermodynamics: This covers heat, temperature, thermal expansion, heat transfer, the first law of thermodynamics, and thermodynamic processes. It’s important to understand the basics of heat engines, refrigerators, and heat pumps as well.
Oscillations and Waves: ’Oscillations’ introduces simple harmonic motion (SHM), energy in SHM, damped and forced oscillations, and resonance. ‘Waves’ include wave motion, wave speed, the principle of superposition, and standing waves.

JEE Main 2025 Important Topics – Chemistry

Chemistry in the Joint Entrance Examination (JEE) is often considered scoring as it involves less calculation compared to Physics and Mathematics. Here are some of the most important topics in JEE main 2025 Chemistry:

Physical Chemistry

Chemical Equilibrium and Ionic Equilibrium: These topics include the equilibrium constant, Le Chatelier’s principle, acids and bases, and buffer solutions.
Thermodynamics: Understand concepts such as enthalpy, entropy, and Gibbs free energy.
Chemical Kinetics: This involves the rates of reactions and the factors affecting it, including the Arrhenius equation and reaction mechanisms.
Mole Concept and Stoichiometry: Fundamental concepts used throughout chemistry.
Solid State, Solutions, and Electrochemistry: These are significant in JEE Main and Advanced.

Organic Chemistry

General Organic Chemistry (GOC): The understanding of reaction mechanisms is predicated on a good grasp of GOC. It includes topics such as structure and bonding, hybridization, and resonance.
Hydrocarbons and their derivatives: The reactions and properties of alkanes, alkenes, alkynes, alkyl halides, alcohols, ethers, aldehydes, ketones, carboxylic acids and amines frequently feature in the JEE.
Biomolecules and Polymers: These topics involve the chemistry of life. Questions are often asked about the structures and properties of carbohydrates, proteins, and nucleic acids.

Inorganic Chemistry

Periodic Table and Periodicity: The understanding of trends in the periodic table is a fundamental concept used throughout inorganic chemistry.
Chemical Bonding: The types of bonding and molecular geometry are important topics.
p-Block elements: Questions on group 13 to 18 elements are common in the JEE.
d and f Block Elements: Transition elements and their compounds often feature in the JEE.
Coordination Compounds: This topic includes the Werner theory, VBT, and CFT.

These topics are not exhaustive and the importance of topics can vary from year to year. But these topics have consistently featured in JEE exams over the years. It is advisable to have a strong understanding of these topics to score well in the Chemistry section. Practice and regular revision are key to success in this subject.

JEE Main 2025 Important Topics – Mathematics

The Mathematics section in the Joint Entrance Examination (JEE) is one that requires a strong conceptual understanding and regular practice. Here are the most important topics for JEE main 2025 Mathematics:

Algebra

Complex Numbers: Topics such as modulus, argument, polar and Euler form, and De Moivre’s Theorem are frequently tested.
Quadratic Equations: Understanding the nature of roots, and the relation between roots and coefficients is essential.
Sequences and Series: Arithmetic Progression (AP), Geometric Progression (GP), and special series are often asked.
Permutations and Combinations: Concepts of arrangement and selection are vital.
Binomial Theorem: Understanding the expansion and application of the binomial theorem for positive integers and fractional indices are often tested.
Matrices and Determinants: Properties and applications of matrices and determinants are crucial.

Calculus

Limits, Continuity, and Differentiability (LCD): Basic understanding and application of limits, continuity, and differentiability.
Application of Derivatives: Concepts like rate measure, increasing and decreasing functions, tangents, and normals are important.
Indefinite and Definite Integrals: Proficiency in various methods of integration and application of definite integrals.
Differential Equations: Formation and solution of differential equations are common in the JEE.
Application of Integrals: Questions based on areas of bounded regions are asked.

Coordinate Geometry

Straight Lines: Understanding various forms of the equation of a line, the distance between lines, and points is often tested.
Circles, Parabola, Ellipse, and Hyperbola: Proficiency in the standard equations and properties of these conic sections is essential.

Trigonometry

Trigonometric Identities and Equations: Good command over trigonometric ratios and identities, solving trigonometric equations.
Inverse Trigonometric Functions: Understanding and applying the properties of inverse trigonometric functions.
Vector and 3D Geometry: Understanding vectors and scalar quantities, dot and cross products, and understanding lines and planes in 3D space is crucial.
Probability and Statistics: Basic probability, conditional probability, Bayes’ theorem, mean, median, mode, and variance are important topics.

These topics are a mix of easy, moderate, and difficult levels. Focusing on them will give you comprehensive coverage and a good chance to score high. Remember, the key to cracking JEE Mathematics lies in understanding concepts and rigorous practice.

Weightage of Chapters in JEE Main 2025 – Subject-wise

The weightage of chapters in the JEE Main 2025 examination can vary from year to year. Let us get a general overview of the subject-wise weightage based on previous trends. Here is the approximate weightage distribution of chapters in JEE Main 2025 subject-wise:

Physics

Mechanics: 25-30%
Electrostatics and Magnetism: 15-20%
Optics and Modern Physics: 20-25%
Waves and Sound: 5-10%
Heat and Thermodynamics: 5-10%
Current Electricity and Magnetism: 5-10%
Other Topics: 5-10%

Chemistry

Organic Chemistry: 25-30%
Inorganic Chemistry: 20-25%
Physical Chemistry: 25-30%
General Topics: 10-15%
Environmental Chemistry: 5-10%
Biomolecules and Polymers: 5-10%
Other Topics: 5-10%

Mathematics

Algebra: 30-35%
Calculus: 30-35%
Coordinate Geometry: 15-20%
Trigonometry: 10-15%
Probability and Statistics: 5-10%
Matrices and Determinants: 5-10%
Other Topics: 5-10%

How Infinity Learn Helps with JEE Main Important Topics?

Infinity Learn is an online learning platform that offers comprehensive resources and tools to help students prepare for the JEE 2025 examination, including the important topics. Here’s how Infinity Learn can assist you in mastering these crucial areas:

Curated Study Material: Infinity Learn provides curated study material specifically designed to cover important topics for JEE Main 2025. The study material is structured and organized, making it easier for students to focus on the key concepts and subjects.
Video Lessons: Infinity Learn offers video lessons taught by experienced and qualified teachers. These video lessons provide in-depth explanations, visual demonstrations, and step-by-step problem-solving techniques, ensuring a thorough understanding of the important topics.
Practice Questions and Mock Tests: Infinity Learn provides a vast repository of practice questions and mock tests. These questions are designed to cover important topics extensively, allowing students to reinforce their understanding, improve problem-solving skills, and become familiar with the exam pattern.
Doubt Resolution: Students often have doubts while studying important topics. Infinity Learn offers 24×7 doubt resolution support through various channels such as live doubt-solving sessions, dedicated doubt-solving forums, and direct interaction with subject experts. This ensures that students can clarify their doubts and strengthen their understanding of these critical topics.
Performance Analytics: Infinity Learn provides performance analytics and progress-tracking tools. Students can assess their performance in specific topics and identify areas that need improvement. This helps in prioritizing the important topics and allocating study time accordingly.
Revision and Recapitulation: Infinity Learn offers revision material and recapitulation modules that specifically focus on important topics. These resources assist students in revisiting and reinforcing their knowledge of these crucial areas, improving retention and recall during the exam.
Guidance and Mentorship: Infinity Learn provides guidance and mentorship from experienced faculty members. They can provide personalized strategies, study plans, and tips for mastering important topics and overall exam preparation.

Infinity Learn’s comprehensive resources and expert guidance can help students effectively navigate through the important topics for JEE Main 2025. By utilizing the platform’s features, students can enhance their understanding, boost their confidence, and improve their performance in the examination.

Conclusion

Preparation for the JEE 2025 exam might seem daunting, but with a well-planned strategy focusing on the important topics, success is well within your grasp. Remember, understanding the concept is paramount, regular practice is your best friend, and revision is the key to retention. Keep your preparation steady, stay motivated, and success will follow. Good luck with your JEE Main 2025 preparations!

JEE Main 2025 Important Topics FAQs

Which is the most important subject in JEE?

All subjects - Physics, Chemistry, and Mathematics - are equally important in JEE. Each subject contributes to the overall score, and a balanced preparation is crucial.

Can I crack IIT in 20 days?

It is challenging to crack IIT in just 20 days. Adequate time and consistent preparation are required to cover the vast syllabus and develop a strong conceptual understanding.

Is 150 a good score in JEE Mains?

The score of 150 in JEE Mains can be considered decent, but the actual competitiveness varies each year. Admission to colleges depends on various factors, including the cutoff score and the difficulty level of the exam.

Is JEE tougher than NEET?

The level of difficulty in JEE and NEET varies due to the difference in subjects and question patterns. JEE focuses on Physics, Chemistry, and Mathematics, while NEET focuses on Biology, Physics, and Chemistry. The difficulty level can be subjective and depends on individual strengths and interests.

What are the important topics for JEE Mains physics?

Important topics in JEE Mains physics include Mechanics, Electrostatics, Magnetism, Optics, Modern Physics, Waves, Heat, and Thermodynamics. A thorough understanding of these topics is crucial for scoring well in the physics section.

What are the most important chapters for JEE Mains class 11?

Important chapters for JEE Mains class 11 include Physics - Laws of Motion, Gravitation, Thermodynamics; Chemistry - Chemical Bonding, Equilibrium, Thermodynamics; Mathematics - Sets, Relations, Functions, Quadratic Equations, Complex Numbers.

What is the weightage of chapters in JEE Mains?

The weightage of chapters in JEE Mains can vary each year. However, certain topics like Mechanics, Algebra, Calculus, Electrostatics, and Organic Chemistry tend to have significant weightage in the exam. It is essential to have a well-rounded preparation across all chapters.

What are the class 11 important chapters for JEE 2024?

The important chapters for JEE 2024 from class 11 syllabus include Physics - Laws of Motion, Gravitation, Work, Energy, Power; Chemistry - Basic Concepts of Chemistry, Structure of Atom, Classification of Elements, Chemical Bonding; Mathematics - Sets, Relations, Functions, Statistics, Probability. These chapters form the foundation for further concepts in class 12.