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Detailed Notes
Full theory with derivations, worked examples, and JEE-level problem sets. For first-read study.
Browse chapter notes →Free Physics study material · JEE Main & Advanced 2026 · No login
JEE Physics — detailed notes, short notes, formula sheets & PYQs for every chapter.
All 25 chapters of JEE Physics in one place — Mechanics, Thermodynamics, Waves, Electromagnetism, Optics, and Modern Physics. Study a chapter fully with detailed notes, revise it in 15 minutes using short notes, scan every formula on the formula sheet, and drill past questions chapter by chapter on the PYQ page. Free, no login.
- CHAPTERS
- 25
- NOTES LIVE
- 25
- PAGE TYPES
- 4
- COST
- ₹0
> WHAT YOU GET
Four page types for every chapter
Each chapter has four separate pages. One for deep study. One for fast revision. One for formulas. One for past questions. Search for any chapter directly and land on exactly what you need.
> Revise
Short Notes
Key concepts, important results, and common traps — no derivations. Revise a full chapter in 15–20 minutes.
Pick a chapter →> Learn
Formula Sheet
All formulas grouped by subtopic, each with a one-line "use when" note. Print-friendly.
Pick a chapter →> Solve
Chapter-wise PYQs
Past questions tagged by year and paper (Mains/Advanced), click-to-reveal answers and brief solution approach.
Pick a chapter →> PHYSICS
JEE Physics Notes — Chapter-wise
All 25 chapters live, organised by weightage — Mechanics, Thermodynamics, Waves, Electromagnetism, Optics, and Modern Physics. Each chapter has Notes, Short Notes, Formula Sheet, and PYQ tabs.
Mechanics
8 chapters · ~35% JEE weightage
CH·01~2h read
Units and Dimensions
SI units, dimensional formulae, dimensional analysis for deriving relations, error analysis, significant figures. Asked in 1–2 questions in nearly every JEE Main paper.
Units & Dimensions notes →CH·02~4h read
Kinematics
Equations of motion, motion under gravity, projectile motion, relative velocity, circular motion. One of the highest-frequency chapters in JEE Main — expect 2–3 questions.
Kinematics notes →CH·03~3.5h read
Laws of Motion
Newton's three laws, free body diagrams, friction (static, kinetic, rolling), tension, pulley systems, constraint motion. 2–3 JEE Main questions per paper.
Laws of Motion notes →CH·04~3h read
Work, Energy & Power
Work-energy theorem, conservative and non-conservative forces, elastic and inelastic collisions, power, potential energy curves. 2 questions per paper on average.
Work, Energy & Power notes →CH·05~4h read
Rotational Motion
Moment of inertia, parallel axis and perpendicular axis theorems, torque, angular momentum conservation, rolling without slipping. High weightage in JEE Advanced.
Rotational Motion notes →CH·06~3h read
Gravitation
Newton's law of gravitation, gravitational field and potential, satellite orbital velocity, escape velocity, Kepler's three laws, geostationary orbits.
Gravitation notes →CH·07~3.5h read
Fluid Mechanics
Elasticity, pressure and buoyancy, Bernoulli's principle, surface tension, viscosity, streamline and turbulent flow. Regular JEE Main appearance.
Fluid Mechanics notes →CH·08~3h read
Centre of Mass and Collision
Centre of mass of systems, momentum conservation, elastic and inelastic collisions, two-body problems. Frequently combined with rotation in JEE questions.
Centre of Mass notes →Thermodynamics
3 chapters · ~10% JEE weightage
CH·09~2.5h read
Thermal Properties of Matter
Temperature and heat, thermal expansion, calorimetry, conduction, convection and radiation, Newton's law of cooling.
Thermal Properties notes →CH·10~3h read
Thermodynamics
First and second laws of thermodynamics, heat engines, entropy, Carnot cycle, internal energy and work. 1–2 questions per JEE Main paper.
Thermodynamics notes →CH·11~2.5h read
Kinetic Theory of Gases
Ideal gas equation, molecular speeds, degrees of freedom, law of equipartition of energy, mean free path. Quick-scoring chapter in JEE Main.
Kinetic Theory notes →Waves & Oscillations
2 chapters · ~8% JEE weightage
CH·12~3h read
Simple Harmonic Motion
SHM equations, springs and pendulums, energy in SHM, damped and forced oscillations, resonance. Classic JEE Main question source.
SHM notes →CH·13~3.5h read
Wave Motion
Progressive waves, standing waves, sound waves, Doppler effect, beats, strings and organ pipes. 1–2 questions in JEE Main.
Wave Motion notes →Electromagnetism
7 chapters · ~30% JEE weightage
CH·14~4h read
Electrostatics
Coulomb's law, electric field and potential, Gauss's law, conductors and dielectrics. Among the highest-weightage chapters — 2–3 questions per paper.
Electrostatics notes →CH·15~2.5h read
Capacitance
Capacitors, dielectrics, energy stored, series and parallel combinations, charging and discharging. Often combined with electrostatics questions.
Capacitance notes →CH·16~3h read
Current Electricity
Current and resistance, Ohm's law, Kirchhoff's laws, circuit analysis, meter bridge and potentiometer. Guaranteed questions every JEE Main paper.
Current Electricity notes →CH·17~3.5h read
Magnetic Effect of Current & Magnetism
Biot-Savart law, Ampere's law, force on moving charges and current loops, magnetic dipole, Earth's magnetism. 2 questions per paper on average.
Magnetism notes →CH·18~3h read
Electromagnetic Induction
Faraday's law, Lenz's law, inductance, eddy currents, AC generator, transformers. High weightage in both JEE Main and Advanced.
EMI notes →CH·19~3h read
Alternating Current
AC voltage and current, reactance and impedance, resonance, power factor, LCR circuits. Follows EMI — read them together.
AC notes →CH·20~2h read
Electromagnetic Waves
Displacement current, EM wave properties, electromagnetic spectrum, energy transport and applications. 1 quick question in JEE Main.
EM Waves notes →Optics
2 chapters · ~10% JEE weightage
CH·21~4h read
Ray Optics
Reflection and refraction, lenses and mirrors, optical instruments, total internal reflection. 2 questions per JEE Main paper on average.
Ray Optics notes →CH·22~3.5h read
Wave Optics
Interference, Young's double slit experiment, diffraction, polarization, Huygens' principle. Regular JEE Main question.
Wave Optics notes →Modern Physics
3 chapters · ~12% JEE weightage
CH·23~2.5h read
Semiconductors
Diodes, transistors, logic gates, electronic devices. Quick-scoring chapter — 1 question almost every JEE Main paper.
Semiconductors notes →CH·24~3h read
Dual Nature of Radiation & Matter
Photoelectric effect, de Broglie wavelength, wave-particle duality. High-weightage modern physics chapter for JEE Main.
Dual Nature notes →CH·25~3h read
Atoms and Nuclei
Bohr model, atomic spectra, radioactivity, nuclear reactions, binding energy. 1–2 questions in JEE Main every year.
Atoms & Nuclei notes →> WEIGHTAGE
JEE Physics Weightage Analysis
Focus on high-weightage topics for maximum marks in JEE Main and Advanced.
MECHANICS
35%
8 chapters
ELECTROMAGNETISM
30%
7 chapters
MODERN PHYSICS
12%
3 chapters
OPTICS
10%
2 chapters
THERMODYNAMICS
10%
3 chapters
WAVES
8%
2 chapters
> HOW TO USE
Complete JEE Physics Preparation Guide 2026
Why Choose Our Physics Notes?
Every chapter here is built for JEE, not for a classroom. Each one opens with the concepts and derivations you need for a first read, then condenses the same chapter into 15-minute short notes for revision, a formula sheet with one-line "use when" notes for exam-day scanning, and a PYQ page with past questions tagged by year and paper.
High-weightage chapters like Kinematics, Laws of Motion, Electrostatics, Current Electricity, and Electromagnetic Induction carry extra solved examples because that is exactly where JEE Main and Advanced earn their marks.
Chapter-wise JEE Weightage
Mechanics is the single largest block at roughly 35% of JEE Main Physics, followed by Electromagnetism at about 30%. Within mechanics, Rotation and Work-Energy are the highest-scoring; within electricity, Electrostatics and Current Electricity appear in nearly every paper.
Modern Physics is the cheapest marks in the paper — Dual Nature, Atoms and Nuclei, and Semiconductors are short chapters that together contribute 10–15% and take far less study time than Mechanics.
How to Use These Physics Notes Effectively?
- Start with Units & Dimensions and Kinematics, then Laws of Motion — they set up most of the syllabus.
- Complete one chapter before moving to the next; skip around only during revision.
- Solve the worked examples yourself before reading the solution.
- Make your own formula sheet from the chapter sheet and revise it weekly.
- Attempt the chapter-wise PYQs after finishing the notes — untimed first, then timed.
- Revise short notes and formula sheets regularly; JEE rewards repeated exposure.
> WHERE TO NEXT
Three honest starting points
Pick the one that matches where you are in your JEE 2026 prep.
PATH A · START
Build your foundation
Begin from Units & Dimensions — the first chapter every JEE aspirant should master.
Start with Units & Dimensions →PATH B · REVISE
Revise a chapter fast
Jump to any chapter's short notes or formula sheet for a 15-minute revision pass.
Pick a chapter to revise →PATH C · PLAN
Plan your strategy
Do-or-die chapters, exam dates, registration guides, and high-weightage analysis for JEE Main & Advanced 2026.
Read the strategy blog →> SUBJECTS
Choose your subject
Every subject index lists chapters with completion status for each of the four page types.
P
Physics
Mechanics, electromagnetism, thermodynamics, optics, modern physics & more.
- Units & Dimensions, Kinematics, Laws of Motion
- Work-Energy, Rotation, Gravitation, Fluids
- Electrostatics, Capacitance, Current, Magnetism, EMI
- 25 chapters live
C
Chemistry
Physical, Organic, Inorganic — concepts, mechanisms, and reaction maps.
- Basic Concepts, Atomic Structure, States of Matter
- Thermodynamics, Chemical & Ionic Equilibrium
- Organic & Inorganic coverage rolling out
- 22 chapters live
M
Mathematics
Algebra, Calculus, Trigonometry, Coordinate Geometry, Vectors & 3D.
- Sets, Relations & Functions, Complex Numbers
- Quadratic, Sequences & Series, P&C
- Calculus, Coordinate Geometry, Trigonometry
- 6 chapters live
> ABOUT
About JEE Prep Guide
Most free JEE resources are either scattered PDFs with no structure, or full-chapter videos you have to scrub through to find one formula. JEE Prep Guide is built differently — every chapter has a dedicated notes page, a short notes page, a formula sheet, and a PYQ page, each at its own URL. You search for what you need and land directly on it.
Physics coverage is complete across all 25 chapters. Chemistry and Maths are being built chapter by chapter through 2026. Short notes, formula sheets, and PYQ pages are being added to completed chapters throughout the year.
- No login, no paywall, no premium tier — the entire site is free.
- Ad-supported and kept light — ads never appear inside question or formula content.
- Mobile-first — built for students studying on phones, not just on desktops.
> FAQ
Frequently Asked Questions
How many chapters are there in JEE Physics?
JEE Physics consists of 25 chapters across six major sections: Mechanics (8 chapters), Thermodynamics (3), Waves and Oscillations (2), Electromagnetism (7), Optics (2), and Modern Physics (3).
Which is the highest weightage chapter in JEE Physics?
Mechanics has the highest weightage (~35%) in JEE Physics, followed by Electromagnetism (~30%). Within Mechanics, Rotational Motion, Work Energy Power, and Kinematics are the most important.
Are these notes sufficient for JEE Advanced?
Yes, our notes cover the complete JEE Advanced syllabus with detailed theory, worked examples, shortcuts, and previous year question analysis. Each chapter includes both JEE Main and Advanced level problems.
How long does it take to complete JEE Physics preparation?
With structured notes, dedicated students can complete the entire JEE Physics syllabus in 4–5 months with 3–4 hours of daily study. Revision and practice should continue for 6–8 months for better retention.
Which chapters should I study first in JEE Physics?
Start with Units and Dimensions, then Kinematics, followed by Laws of Motion — this builds a strong foundation. After Mechanics, move to Electromagnetism, then Thermodynamics, Optics, and finally Modern Physics.
What are the Modern Physics chapters for JEE?
Modern Physics chapters for JEE are: Dual Nature of Radiation and Matter (photoelectric effect, de Broglie wavelength), Atoms (Bohr model), Nuclei (radioactivity, nuclear reactions), and Semiconductor Devices. Together they carry roughly 10–15% weightage in JEE Main.