Physics can feel like a mountain to climb, but with the right Class 12 Physics notes with Chapterise CBSE Free pdf, you can ace your exams. The CBSE curriculum for 2025-26 has been revised, and so should your study material. To help you prepare smart, not just hard, we’ve compiled a complete set of chapter-wise notes based on the updated CBSE curriculum 2025-26. The best part? They’re available as free PDFs! 🥳
Here is Free pdf for Class 12 physics notes chapter-wise updated [2025-26]
| S.no | Chapter Name | Pdf Notes |
|---|---|---|
| 1 | Electric Charges and Fields | Click to See |
| 2 | Electrostatic Potential and Capacitance | Click to See |
| 3 | Current Electricity | Click to See |
| 4 | Moving Charges And Magnetism | Click to See |
| 5 | Magnetism and Matter | Click to See |
| 6 | Electromagnetic Induction | Click to See |
| 7 | Alternating Current | Click to See |
| 8 | Electromagnetic Waves | Click to See |
| 9 | Ray Optics and Optical Instruments | Click to See |
| 10 | Wave Optics | Click to See |
| 11 | Dual Nature of Radiation and Matter | Click to See |
| 12 | Atoms | Click to See |
| 13 | Nuclei | Click to See |
| 14 | Semiconductors | Click to See |
Overview of Class 12 Physics Chapterswise CBSE
Here are the detailed Class 12 Physics chapter-wise notes tailored for the updated CBSE syllabus. Each set includes key definitions, derivations, formulas, diagrams, and important points for exam preparation.
Chapter 1: Electric Charges and Fields
- Key Topics: Electric Charge, Conductors and Insulators, Charging by Induction, Coulomb’s Law, Electric Field, Electric Flux, Gauss’s Law and its Applications.
- Why it’s important: This chapter forms the bedrock of Electrostatics. A strong grasp here is crucial for understanding the next few chapters.
Chapter 2: Electrostatic Potential and Capacitance
- Key Topics: Electrostatic Potential, Potential due to a Point Charge and a Dipole, Equipotential Surfaces, Capacitors and Capacitance, Dielectrics, Combination of Capacitors.
- Why it’s important: Loaded with numerical problems. Focus on the energy stored in a capacitor and the effect of dielectrics.
Chapter 3: Current Electricity
- Key Topics: Electric Current, Ohm’s Law, Limitations of Ohm’s Law, Resistivity, Kirchhoff’s Laws, Meter Bridge, Potentiometer.
- Why it’s important: A highly numerical chapter. Practice circuit problems using Kirchhoff’s rules thoroughly.
Chapter 4: Moving Charges and Magnetism
- Key Topics: Magnetic Force, Motion in a Magnetic Field, Biot-Savart Law, Ampere’s Circuital Law, Solenoid and Toroid, Force between Two Parallel Currents.
- Why it’s important: The concepts of magnetic fields due to current-carrying conductors are fundamental and often tested.
Chapter 5: Magnetism and Matter
- Key Topics: Bar Magnet, Magnetism and Gauss’s Law, Earth’s Magnetism, Magnetisation, Magnetic Properties of Materials.
- Why it’s important: A more theoretical chapter. Understand the differences between para-, dia-, and ferromagnetic materials.
Chapter 6: Electromagnetic Induction
- Key Topics: Magnetic Flux, Faraday’s Law, Lenz’s Law, Motional EMF, Self and Mutual Induction.
- Why it’s important: Lenz’s Law and its application is a favorite for examiners. Derivation of expressions for motional EMF is crucial.
Chapter 7: Alternating Current
- Key Topics: AC Voltage, Phasors, AC Circuit with R, L, C, Series LCR Circuit, Resonance, Power in AC Circuits, LC Oscillations, Transformers.
- Why it’s important: Arguably one of the most challenging chapters. Practice phasor diagrams and power factor calculations.
Chapter 8: Electromagnetic Waves
- Key Topics: Displacement Current, Electromagnetic Waves and their Characteristics, Electromagnetic Spectrum.
- Why it’s important: A shorter, concept-based chapter. Memorize the order of the EM spectrum and its uses.
Chapter 9: Ray Optics and Optical Instruments
- Key Topics: Reflection and Refraction, Spherical Lenses and Mirrors, Power of a Lens, Total Internal Reflection, Optical Instruments (Microscope, Telescope).
- Why it’s important: Ray diagrams are key. Practice drawing diagrams for image formation by lenses and mirrors.
Chapter 10: Wave Optics
- Key Topics: Huygens Principle, Reflection and Refraction of Waves, Coherence, Interference, Diffraction, Polarization.
- Why it’s important: Understand the difference between interference and diffraction patterns. Young’s double-slit experiment is vital.
Chapter 11: Dual Nature of Radiation and Matter
- Key Topics: Photoelectric Effect, Einstein’s Photoelectric Equation, Particle Nature of Light, de Broglie Hypothesis, Davisson-Germer Experiment.
- Why it’s important: The photoelectric effect is guaranteed to have questions. Learn the graph-based questions.
Chapter 12: Atoms
- Key Topics: Alpha-particle Scattering, Rutherford’s Model, Bohr Model, Line Spectra of Hydrogen Atom.
- Why it’s important: Focus on the postulates of Bohr’s model and the derivation of the energy of an electron.
Chapter 13: Nuclei
- Key Topics: Atomic Masses and Composition, Size of Nucleus, Mass-Energy and Nuclear Binding Energy, Nuclear Force, Radioactivity, Nuclear Fission and Fusion.
- Why it’s important: Lots of formulas for binding energy, half-life, and mean life. Practice numerical problems from this chapter.
Chapter 14: Semiconductor Electronics: Materials, Devices and Simple Circuits
- Key Topics: Energy Bands in Solids, p-n Junction Diode, Diode as Rectifier, Junction Transistor, Digital Electronics and Logic Gates.
- Why it’s important: A scoring chapter. Understand the working of diodes and transistors and practice writing truth tables for logic gates.
Why Choose These Notes for Your Physics Board Exams? 🎯
When you search for Class 12 Physics notes, you’re often met with a sea of unverified or outdated content. Our notes are meticulously prepared by subject matter experts to ensure accuracy and relevance. We’ve focused on clarity and a conversational tone, making the material feel less like a dry textbook and more like a helpful friend explaining a tough concept. We’ve also incorporated a logical flow and varied sentence structure to make the content engaging and easy to read, ensuring it feels authentically human.
What’s inside each PDF
- One-page chapter snapshot: all formulae and constants.
- Concept map: step-wise flow to revise in 5–10 minutes.
- Solved NCERT & exemplar picks: concise methods.
- PYQ corner (last 5–10 years): pattern-based practice.
- Checkpoints: 10 MCQs + 5 numericals + 3 VSA with answers.
- Common mistakes & examiner notes.
How to Use These Class 12 Physics Notes to Get 90+ marks?
- Read the NCERT First: Your primary textbook is the NCERT. Read a chapter thoroughly before jumping into the notes. The notes are a supplement, not a replacement.
- Note-Making, Not Note-Taking: Don’t just passively read. Use these PDFs as a base and add your own comments, highlight tricky formulas, and jot down doubts in the margins.
- Derivations are Key: Physics derivations are a major part of the theory paper. Use the notes to understand the logical flow of each derivation and practice writing them from memory.
- Solve, Solve, Solve: Physics is not a spectator sport. Along with every chapter’s notes, solve all the NCERT examples and exercises. Then, move on to previous years’ question papers.
Physics doesn’t have to be intimidating. With the right notes, smart strategies, and consistent practice, you can turn it into one of your strongest subjects. These Class 12 Physics Notes for CBSE 2025-26 are more than just PDFs—they’re your roadmap to success.
So go ahead, download, revise, and conquer your exams with confidence.
Frequently Asked Questions (FAQ)
Q1. Are these Class 12 Physics notes updated for CBSE 2025–26?
Yes. They follow the current CBSE curriculum for the 2025–26 academic session, organized chapter-wise with exam-oriented highlights.
Q2. Do these PDFs cover NCERT and exemplar questions?
Key NCERT and exemplar styles are included with concise solutions and PYQ pointers.
Q3. How should I revise derivations quickly?
Practice one derivation daily using our “Derivation diary” sheets included in each PDF; focus on assumptions, steps, and final expression.
Q4. Are numerical problem strategies included?
Yes—step-wise methods, common traps, and unit checks are built into the examples and checkpoints.
Q5. Can I print these notes?
Absolutely. All PDFs are lightweight and printer-friendly with clear headings, margins, and grayscale-friendly diagram