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JEE Main — B.E./B.Tech Syllabus 2026 — Full Topic-by-Topic Breakdown

Complete JEE Main B.E./B.Tech syllabus with section-wise breakdown, estimated weightage, and study tips. Physics, Chemistry, and Maths topics covered.

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Written by Dr. Uday KumarReviewed by Dr. Vijay GUpdated 1 August 2026Editorial policy

The JEE Main — B.E./B.Tech syllabus is your roadmap to the exam. It covers three subjects: Physics, Chemistry, and Mathematics — all from Class 11 and 12 NCERT. Knowing exactly what’s tested helps you prioritise topics and avoid wasting time on out-of-syllabus material.

This guide breaks down the syllabus by section, gives weightage estimates (based on recent trends), and includes practical study tips for each subject.

Physics – Section 1: Mechanics

Weightage estimate: 20–25% of the Physics paper.

  • Topics: Kinematics, Laws of Motion, Work-Energy-Power, Rotational Motion, Gravitation.
  • Key tip: Focus on rotational motion and gravitation — these often appear in numerical problems. Practice free-body diagrams for mechanics questions.

Physics – Section 2: Electrodynamics

Weightage estimate: 20–25% of the Physics paper.

  • Topics: Electrostatics, Current Electricity, Magnetic Effects of Current, Electromagnetic Induction, Alternating Current.
  • Key tip: Current electricity and electromagnetic induction are high-weightage. Master Kirchhoff’s laws and Faraday’s law.

Physics – Section 3: Optics & Modern Physics

Weightage estimate: 15–20% of the Physics paper.

  • Topics: Ray Optics, Wave Optics, Dual Nature of Matter, Atoms & Nuclei, Semiconductors.
  • Key tip: Modern physics (photoelectric effect, nuclear reactions) is relatively easy to score. Optics requires diagram practice.

Physics – Section 4: Thermodynamics & Waves

Weightage estimate: 10–15% of the Physics paper.

  • Topics: Thermodynamics, Kinetic Theory, Oscillations, Waves.
  • Key tip: Thermodynamics cycles and wave equations are formula-heavy. Create a formula sheet.

Chemistry – Section 1: Physical Chemistry

Weightage estimate: 30–35% of the Chemistry paper.

  • Topics: Mole Concept, Atomic Structure, Chemical Bonding, Thermodynamics, Equilibrium, Electrochemistry, Chemical Kinetics.
  • Key tip: Mole concept and chemical kinetics are calculation-based. Practice unit conversions and rate laws.

Chemistry – Section 2: Inorganic Chemistry

Weightage estimate: 25–30% of the Chemistry paper.

  • Topics: Periodic Table, p-block, d-block, f-block elements, Coordination Compounds, Environmental Chemistry.
  • Key tip: Coordination compounds and periodic trends are frequently tested. Use mnemonics for periodic properties.

Chemistry – Section 3: Organic Chemistry

Weightage estimate: 35–40% of the Chemistry paper.

  • Topics: Basic Principles, Hydrocarbons, Haloalkanes, Alcohols, Aldehydes, Ketones, Carboxylic Acids, Amines, Biomolecules.
  • Key tip: Reaction mechanisms and named reactions are crucial. Make a reaction map for quick revision.

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Mathematics – Section 1: Algebra

Weightage estimate: 25–30% of the Mathematics paper.

  • Topics: Sets, Relations, Functions, Complex Numbers, Quadratic Equations, Sequences & Series, Permutations & Combinations, Binomial Theorem, Matrices & Determinants.
  • Key tip: Complex numbers and matrices are scoring. Practice determinant properties.

Mathematics – Section 2: Calculus

Weightage estimate: 30–35% of the Mathematics paper.

  • Topics: Limits, Continuity, Differentiability, Applications of Derivatives, Integration, Differential Equations.
  • Key tip: Integration and application of derivatives are high-weightage. Solve at least 5 problems daily.

Mathematics – Section 3: Coordinate Geometry & Vectors

Weightage estimate: 20–25% of the Mathematics paper.

  • Topics: Straight Lines, Circles, Conic Sections, 3D Geometry, Vector Algebra.
  • Key tip: Conic sections and 3D geometry have predictable question patterns. Memorise standard equations.

Mathematics – Section 4: Probability & Statistics

Weightage estimate: 10–15% of the Mathematics paper.

  • Topics: Probability, Statistics, Mathematical Reasoning.
  • Key tip: Probability problems often involve permutations. Practice Bayes’ theorem.

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General Study Tips for JEE Main — B.E./B.Tech

  • Stick to NCERT: Most questions are directly from NCERT textbooks, especially in Chemistry.
  • Solve previous year papers: At least 5 years’ worth. This helps you spot repeated topics.
  • Time management: Allocate 45 minutes per subject in mock tests. Adjust based on your strengths.
  • Revision notes: Create concise notes for formulas, reactions, and key concepts.
  • Mock tests: Take full-length tests weekly to build stamina and identify weak areas.

Where to next?

Quick answers

Frequently asked

The most common questions candidates ask before applying.

Is the JEE Main B.E./B.Tech syllabus the same as Class 11 and 12 NCERT?

Yes, the syllabus is largely based on NCERT textbooks for Classes 11 and 12. However, some topics like Mathematical Reasoning in Mathematics are not covered in NCERT but appear in the exam.

What is the weightage of Physics in JEE Main B.E./B.Tech?

Physics typically accounts for about 33% of the total marks. Within Physics, Mechanics and Electrodynamics each carry around 20–25% weightage.

How many topics are there in the JEE Main B.E./B.Tech Mathematics syllabus?

Mathematics is divided into four sections: Algebra, Calculus, Coordinate Geometry & Vectors, and Probability & Statistics, covering about 15–20 topics in total.

Which subject has the highest weightage in JEE Main B.E./B.Tech?

All three subjects — Physics, Chemistry, and Mathematics — carry equal weightage (100 marks each) in the paper.

Are there any topics removed from the JEE Main B.E./B.Tech syllabus recently?

The NTA occasionally revises the syllabus. For the latest updates, always check the official JEE Main website. As of early 2026, no major deletions have been announced.

Can I skip Organic Chemistry for JEE Main B.E./B.Tech?

No — Organic Chemistry carries about 35–40% weightage in Chemistry. Skipping it would significantly lower your score.

How should I prepare for the JEE Main B.E./B.Tech Mathematics section?

Prioritise Calculus (30–35% weightage) and Algebra (25–30%). Practice integration, differentiation, and complex numbers daily. Solve previous year papers to understand question patterns.

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