Class 12 Physics Notes

Chapters in Class 12 Physics 15 chapters.

These notes are free to read without an account. Work through them in order, or use the chapter list to revise selectively before a test.

Chapters in Class 12 Physics

  1. Chapter 1: All Important Formula

    4 topics

    • Optics
    • Oscillation Formulas
    • Gravitation Formulas and Constant Values of Physical Quantities
    • Electromagnetic Induction Formula
  2. Chapter 2: Electric charges and fields

    14 topics

    • Introduction of Electric charges and fields
    • Electric Charge
    • Conductors and Insulators
    • Basic Properties of Electric Charge
    • Coulomb’s Law
    • Forces Between Multiple Charges
    • Electric Field
    • Electric Field Lines
  3. Chapter 3: Electrostatic Potential And Capacitance

    12 topics

    • Introduction of Electrostatic Potential & Capacitance
    • Electrostatic potential
    • Potential Due To A Point Charge
    • Potential Due To An Electric Dipole
    • Potential Due To A System Of Charges
    • Equipotential Surfaces
    • Relation Between Field and Potential
    • Potential Energy Of A System Of Charges
  4. Chapter 4: Current Electricity

    12 topics

    • Introduction of Current Electricity
    • Electric Current
    • Electric Currents in Conductors
    • Ohm's Law
    • Drift of Electrons and the Origin of Resistivity
    • Mobility
    • Limitations of Ohm's Law
    • Temperature Dependence Of Resistivity
  5. Chapter 5: Moving Charges and Magnetism

    8 topics

    • Introduction of Moving Charges & Magnetism
    • Magnetic Force
    • Motion In A Magnetic Field
    • Magnetic Field Due To A Current Element, Biot-savart Law
    • Magnetic Field On The Axis Of A Circular Current Loop
    • Ampere's Circuital Law
    • Torque on a rectangular current loop in a uniform magnetic field.
    • The Moving Coil Galvanometer
  6. Chapter 6: Magnetism and Matter

    5 topics

    • Introduction of Magnetism And Matter
    • Bar Magnet
    • Magnetism And Gauss’s Law
    • Magnetization & Magnetic Intensity
    • Magnetic Properties of Material
  7. Chapter 7: Electromagnetic Induction

    8 topics

    • Introduction of Electromagnetic Induction
    • The Experiments Of Faraday And Henry
    • Magnetic Flux
    • Faraday’s Law Of Induction
    • Lenz’s Law And Conservation Of Energy
    • Motional Electromotive Force
    • Inductance
    • AC Generator
  8. Chapter 8: Alternating Current

    7 topics

    • Introduction Of Alternating Current
    • AC Voltage Applied To A Resistor
    • Representation of AC Current And Voltage By Rotating Vectors — Phasors
    • AC Voltage Applied To An Inductor
    • AC Voltage Applied To A Capacitor
    • Power In AC Circuit: The Power Factor
    • Transformer
  9. Chapter 9: Electromagnetic Waves

    4 topics

    • Introduction of Electronmagnetic Waves
    • Displacement Current
    • Electromagnetic Waves
    • Electromagnetic Spectrum
  10. Chapter 10: Ray Optics and Optical Instruments

    10 topics

    • Introduction of Ray Optics and Optical Instruments
    • Reflection Of Light By Spherical Mirrors
    • Refraction
    • Total Internal Reflection
    • Total Internal Reflection in Nature and Its Technelogical Applications
    • Refraction at a Spherical Surface
    • Refraction by a Lens
    • Power of a Lens.
  11. Chapter 11: Wave Optics

    6 topics

    • Introduction of Wave Optics
    • Huygens Principle
    • Refraction of a Plane Wave
    • Refraction at a Rarer Medium
    • Young’s Double Slit Experiment
    • Polarization
  12. Chapter 12: Dual Nature of Radiation and Matter

    8 topics

    • Introduction of The Dual Nature of Radiation and Matter
    • Electron Emission
    • Photoelectric Effect
    • Experimental Study Of Photoelectric Effect
    • Effect Of Intensity Of Light On Photocurrent
    • Einstein’s Photoelectric Equation: Energy Quantum Of Radiation
    • Particle Nature Of Light: The Photon
    • Wave Nature of Matter & De Broglie’s Equation
  13. Chapter 13: Atoms

    6 topics

    • Introduction of Atoms
    • Alpha-particle Scattering And Rutherford’s Nuclear Model Of Atom
    • Alpha-particle trajectory
    • Electron Orbits
    • Bohr Model Of The Hydrogen Atom
    • De Broglie’s Explanation Of Bohr’s Second Postulate Of Quantisation
  14. Chapter 14: Nuclei

    4 topics

    • Atomic Masses And Composition Of Nucleus
    • Size Of The Nucleus
    • Mass-energy And Nuclear Binding Energy
    • Radioactivity
  15. Chapter 15: Semiconductor Electronics: Materials, Devices and Simple Circuits

    5 topics

    • Introduction of Semiconductor Electronics: Materials, Devices And Simple Circuits
    • Classification Of Metals, Conductors And Semiconductors
    • Intrinsic Semiconductor
    • p-n Junction
    • Application Of Junction Diode As A Rectifier