To make revision convenient, we have listed all 25 chapters of Class 12 Physics below. Students can select a chapter and access its detailed notes and study materials on NEBExam.com.
Class 12 Physics Notes – Chapter-wise
Mechanics
The Mechanics section focuses on rotational motion, oscillations, and properties of fluids.
1. Rotational Dynamics
Learn about torque, angular momentum, moment of inertia, rotational kinetic energy, radius of gyration, and conservation of angular momentum.
👉 View Rotational Dynamics Notes PDF
2. Periodic Motion
This chapter covers periodic motion, simple harmonic motion, energy in SHM, spring systems, simple pendulum, damped oscillations, forced oscillations, and resonance.
👉 View Periodic Motion Notes PDF
3. Fluid Statics
Study pressure in fluids, buoyancy, surface tension, viscosity, capillarity, Stokes' law, continuity equation, and Bernoulli's theorem.
👉 View Fluid Statics Notes PDF
Heat and Thermodynamics
This section introduces the fundamental laws of thermodynamics and their applications.
4. First Law of Thermodynamics
Topics include heat, work, internal energy, thermodynamic processes, heat capacities, isothermal processes, and adiabatic processes.
👉 View First Law of Thermodynamics Notes PDF
5. Second Law of Thermodynamics
Study heat engines, Carnot cycle, refrigerators, entropy, and the second law of thermodynamics.
👉 View Second Law of Thermodynamics Notes PDF
Wave and Optics
Wave and Optics covers the behavior of waves and light, including interference, diffraction, and polarization.
6. Wave Motion
Understand progressive waves, stationary waves, wavelength, frequency, amplitude, phase, nodes, and antinodes.
7. Mechanical Waves
This chapter includes mechanical waves and the velocity of sound in different media, along with Laplace's correction.
👉 View Mechanical Waves Notes PDF
8. Waves in Pipes and Strings
Learn about stationary waves, harmonics, overtones, open and closed pipes, end correction, and vibrations of stretched strings.
👉 View Waves in Pipes and Strings Notes PDF
9. Acoustic Phenomena
Study sound intensity, loudness, pitch, quality, pressure amplitude, and the Doppler effect.
👉 View Acoustic Phenomena Notes PDF
10. Nature and Propagation of Light
This chapter explains the wave nature of light, Huygens' principle, wavefronts, reflection, and refraction.
👉 View Nature and Propagation of Light Notes PDF
11. Interference
Learn about the superposition of light waves, coherent sources, and Young's double-slit experiment.
12. Diffraction
Understand the diffraction of light, diffraction patterns, single-slit diffraction, diffraction grating, and resolving power.
13. Polarization
Study polarization of light, Brewster's law, plane-polarized light, and polaroids.
Electricity and Magnetism
This section covers electric circuits, magnetic fields, electromagnetic induction, and alternating current.
14. Electrical Circuits
Important topics include Kirchhoff's laws, Wheatstone bridge, meter bridge, potentiometer, galvanometer, ammeter, voltmeter, and Joule's law.
👉 View Electrical Circuits Notes PDF
15. Thermoelectric Effects
Learn about the Seebeck effect, Peltier effect, thermocouples, thermoelectric emf, and thermopiles.
👉 View Thermoelectric Effects Notes PDF
16. Magnetic Field
This chapter covers magnetic flux, force on moving charges, force on current-carrying conductors, torque, Biot-Savart law, Ampere's law, solenoids, and the moving coil galvanometer.
👉 View Magnetic Field Notes PDF
17. Magnetic Properties of Materials
Study diamagnetic, paramagnetic, and ferromagnetic materials, magnetic susceptibility, permeability, and hysteresis.
👉 View Magnetic Properties of Materials Notes PDF
18. Electromagnetic Induction
Important concepts include Faraday's laws, Lenz's law, motional emf, generators, eddy currents, self-inductance, mutual inductance, and transformers.
👉 View Electromagnetic Induction Notes PDF
19. Alternating Currents
Learn about AC voltage and current, RMS value, reactance, impedance, phasor diagrams, LCR circuits, resonance, power, and power factor.
👉 View Alternating Currents Notes PDF
Modern Physics
Modern Physics introduces students to electrons, photons, semiconductors, atomic physics, nuclear physics, and recent developments in Physics.
20. Electrons
This chapter covers Millikan's oil-drop experiment, electron beams, motion of electrons in electric and magnetic fields, and Thomson's experiment.
21. Photons
Study the photoelectric effect, Einstein's photoelectric equation, work function, threshold frequency, stopping potential, and Planck's constant.
22. Semiconductor Devices
Important topics include P-N junctions, semiconductor diodes, forward and reverse biasing, rectifiers, and logic gates.
👉 View Semiconductor Devices Notes PDF
23. Quantization of Energy
This chapter includes Bohr's atomic model, energy levels, spectral series, excitation and ionization potentials, de Broglie waves, uncertainty principle, X-rays, and Bragg's law.
👉 View Quantization of Energy Notes PDF
24. Radioactivity and Nuclear Reaction
Learn about radioactive decay, alpha, beta and gamma radiation, half-life, mean life, carbon dating, nuclear reactions, applications, and radiation hazards.
👉 View Radioactivity and Nuclear Reaction Notes PDF
25. Recent Trends in Physics
This chapter introduces topics such as seismic waves, gravitational waves, nanotechnology, and the Higgs boson.
👉 View Recent Trends in Physics Notes PDF
How to Prepare for Class 12 Physics
Preparing for Physics becomes easier when you combine conceptual study with regular problem-solving. Instead of trying to memorize the entire subject, focus on understanding why and how each formula or principle works.
Read the Concept First
Go through the textbook and understand the basic theory before using short notes for revision.
Practice Important Derivations
Keep a separate list of important derivations and practice writing them step-by-step. This can help during long-answer questions.
Solve Numerical Problems
Physics requires regular numerical practice. Pay attention to the correct formula, units, substitution, and final answer.
Revise Formulas Regularly
Create a chapter-wise formula list and revise it frequently, especially before examinations.
Practice Previous Questions
After completing a chapter, try solving questions from previous NEB examinations and model question papers. This can help you understand common question patterns and manage your exam time.
Class 12 Physics Notes – FAQs
How many chapters are there in Class 12 Physics?
The Class 12 Physics syllabus contains 25 chapters, organized into Mechanics, Heat and Thermodynamics, Wave and Optics, Electricity and Magnetism, and Modern Physics.
Can I get Class 12 Physics Notes PDF chapter-wise?
Yes. The links provided above take you to chapter-specific Physics notes on NEBExam.com, making it easier to study and revise one chapter at a time.
What should I study along with Physics notes?
Students should use notes together with the Class 12 Physics textbook, syllabus, numerical problems, derivations, model questions, and previous NEB questions.
Are these notes useful for NEB exam preparation?
Chapter-wise notes can be useful for reviewing important concepts and revising before examinations. However, students should also study the prescribed textbook and practice questions regularly.
Start Your Class 12 Physics Preparation
Good preparation is not about studying everything at the last moment. Start chapter by chapter, understand the concepts, practice numerical problems, revise formulas, and solve previous questions regularly.
Use the chapter-wise Class 12 Physics Notes PDF above as a revision resource and continue practicing throughout your preparation.
For more Class 12 notes, syllabus, question papers, results, and school-level educational resources, explore School Info Nepal.