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CBSE Class 12 Physics Notes



  • Class 12 Physics Notes & worksheet
  • Welcome to our class 12 Physics page. In this page you can find Physics Notes, assignments, concept maps and lots of study material for easy learning and understanding You can share the link with your classmates as all study material is free of cost.

How to use this page to learn Physics

  1. First read and understand the notes.
  2. Try to go through the solved examples of the chapter you are reading
  3. Now it is the time to solve unsolved assignments and worksheets. You will find plenty of them here or on the respective chapter page.
  4. We also have a physics sample paper class 12 pdf download page where you can download lots of files.

Chapter 1: Electric Charges & Field

Notes
  1. Electric Charge , Basic properties of electric charge and Frictional Electricity
  2. Electrical and electrostatic force
  3. Coulomb's law and coulombs law in vector form
  4. Principle Of Superposition
  5. Electric Field & Calculation of Electric Field
  6. Electric Field Due to Line Charge
  7. Electric Field Lines
  8. Electric Flux
  9. Electric Dipole and dipole moment
  10. Gauss's Law and Applications
CBSE Worksheets
  1. Electric Charges and Field Questions and answers
  2. Electrostatics Important Questions for Class 12
Assignments (for JEE and Competition level)
  1. Electrostatics Multiple Choice Questions
  2. Electrostatics Numericals

Chapter 2: Electrostatic Potential and Capacitance

Notes
Electrostatic Potential
  1. Electric potential energy
  2. Electric Potential
  3. Relation between electric fields and electric potential
  4. Equipotential surfaces
  5. Potential due to an electric dipole
  6. Potential energy of dipole placed in uniform electric field
Capacitance
  1. Capacitance and Capacitor
  2. Parallel plate capacitor
  3. Cylinderical capacitor
  4. Spherical capacitor
  5. Capacitors in series and parallel combinations
  6. Energy stored in a capacitor
  7. Effect of Dielectric on Capacitance
Assignments (for JEE and Competition level)
  1. Electric Potential MCQ
  2. Electric Potential problems
  3. Capacitance MCQ
  4. Capacitance Problems

Chapter 3: Current Electricity

Notes
Electric Current and resistance
  1. Electric current
  2. Current density
  3. Drift Velocity & Relation with Current
  4. Ohm's Law and Resistance
  5. Resistivity & Conductivity
  6. Colour code of carbon resistors
  7. Combination of Resistors
EMF and Electric Measurement
  1. Electromotive Force(emf)
  2. Internal Resistance of Battery (or cell)
  3. Electric Energy and Power
  4. Kirchhoff's Rules
  5. Grouping of the cell's
  6. Wheat Stone Bridge
  7. Meterbridge (slide wire bridge)
  8. Potentiometer & its Applications
Heating effect of current
  1. Heating effect of current
  2. Thermoelectricity
  3. Seebeck effect
  4. variation of thermo-emf with temperature
  5. Peltier Effect
  6. Thomson effect
Assignments (for JEE and Competition level)
  1. Electric Current and resistance MCQ
  2. Electric Current and resistance Numericals
  3. EMF and Electric Measurement MCQ
  4. EMF and Electric Measurement Problems

Chapter 4: Moving Charges and Magnetism

Notes
Magnetic Field
  1. The Magnetic Field
  2. Lorentz Force
  3. Motion of Charged Particle in The Magnetic Field
  4. Cyclotron
  5. Magnetic force on a current carrying wire
  6. Torque on a current carrying rectangular loop in a magnetic field
Magnetic Effects of current
  1. Biot Savart Law
  2. Applications of Biot Savart law
  3. Ampere's circuital law
  4. Magnetic field of a solenoid
  5. Magnetic Field of a toroid
Assignments (for JEE and Competition level)
  1. Magnetism & Magnetic effects of current MCQ
  2. Magnetism & Magnetic effects of current Numericals

Chapter 5: Magnetism And Matter

Notes
  1. Magnetization & Magnetic Intensity
  2. Classification of Magnetic Material
  3. Diamagnetism
  4. Paramagnetism
  5. Ferromagnetism
  6. Hysteresis

Chapter 6: Electromagnetic Induction

Notes
Electromagnetic Induction
  1. Faraday's experiment
  2. Magnetic Flux
  3. Faradays law of electromagnetic induction
  4. Direction of Induced EMF: Lenz's Law
  5. Motional EMF
  6. Induced Electric Fields
Inductance
  1. Inductance
  2. Self Inductance
  3. Energy in an inductor
  4. Growth and decay of current in L-R circuit
  5. The R-C circuit
  6. The L-C circuit
  7. Mutual Inductance
Assignments (for JEE and Competition level)
  1. Electromagnetic Induction Multiple Choice questions

Chapter 7: Alternating current

Notes
  1. Alternating current and Alternating EMF
  2. Average or mean current
  3. Root Mean square value of AC
  4. Phasor diagram
  5. A.C through pure resistor
  6. A.C through pure inductor
  7. AC through pure capacitor
  8. Circuit containing inductance and resistance in series
  9. Circuit containing capacitance and resistance in series
  10. LCR series circuit
CBSE Worksheets
  1. Alternating current Important Questions for Class 12
Assignments (for JEE and Competition level)
  1. Alternating current Multiple Choice questions

Chapter 8: Electromagnetic Waves

CBSE Worksheets
  1. Electromagnetic Waves Important questions

Chapter 9: Ray Optics

CBSE Worksheets
  1. Ray Optics Important Questions

Chapter 10 : Wave Optics

Notes
Huyghen's principle and interference of light
  1. Introduction
  2. Wave fronts and rays
  3. Huygens's principle
  4. Reflection of and Refraction of plane waves using Huygens's principle
  5. Principle of Superposition of waves
  6. Interference of light waves
  7. Coherent Sources
  8. Conditions for sustained interference of light waves
  9. Young Double slit experiment
  10. Theory of interference fringes
  11. Displacement of fringes
Diffraction and polarization of light
  1. Introduction
  2. Fraunhofer Diffraction by single slit
  3. Resolving power
  4. Polarization of light
  5. Vibrations in unpolarized and polarized light
  6. Polarization of reflection
  7. polarization by scattering
  8. Diffraction and polarization of light
  9. Law of Malus
  10. Brewster's law
CBSE Worksheets
  1. Wave Optics Important Questions

Chapter 11 Dual Nature of Radiation and Matter

CBSE Worksheets
  1. Dual Nature of Radiation and Matter Questions for Class 12

Chapter 12: Atoms

CBSE Worksheets
  1. Atoms Questions for Class 12 Physics

Chapter 13: NUCLEI

Notes
Atomic nucleus : An introduction
  1. Discovery of nucleus
  2. Nuclear Composition
  3. Atomic mass
  4. Isobars and Isotones
  5. Size of nucleus
Radioactivity
  1. Introduction
  2. Properties of radioactive decay
  3. The alpha rays(particles)
  4. The beta rays(particles)
  5. The Gamma rays
  6. Law of radioactive Decay
  7. Half Life
  8. Mean Life
  9. Unit of activity
  10. Alpha decay
  11. β Decay
  12. γ Decay
CBSE Worksheets
  1. Nuclei Questions and answers

Chapter 14 Semiconductor Electronics :Material,Devices & simple circuit

Notes
  1. Semiconductor Materials
  2. Bipolar Junction Transistor
  3. Transistor as an Amplifier
  4. Feedback Amplifier
  5. Transistor as an Oscillator
  6. Logic Gates
CBSE Worksheets
  1. Semiconductor Questions for Class 12
Assignments (for JEE and Competition level)
  1. Semiconductor Multiple Choice Questions

Deleted ChapterChapter 15 Communication systems

CBSE Worksheets
  1. Communication systems Questions for Class 12

CBSE Sample Paper

Class 12 Board Test paper

Previous year(2023/2022) CBSE paper

CBSE Latest Sample Paper(2023-2024)


Frequently asked Questions on CBSE Class 12 Physics

How many chapters are there in Class 12 Physics?

There are total 14 chapters in Class 12 Physics as per the rationalized Syllabus. All the chapters are required for assessment


What is the best books for Class 12 Physics?

Couple of book
(a)NCERT Class 12 Physics textbook
(b)NCERT Class 12 Exemplar
(c)S L Arora

Which is the easiest chapter of class 12 Physics NCERT Text book?

Atoms and Nuclei are the easiest chapter

Is Class 12 Physics NCERT Text book Sufficient for CBSE Exams?

It is sufficient if you go through all the questions in the NCERT text book thoroughly and practice them all.However to enhance your maths skill , you can go for NCERT exemplar and other books

what is the best way to learn the concept in Class 12 Physics?

First go through all the Notes and solved examples and Then do the exercises. Practice Lot of questions. The simple Mantra is Practice .Practice and Practice

what is the deleted syllabus in Class 12 Physics (2023-2024)?

Chapter 1: Electric Charges and Fields
Electric Charge (only activity with paper strips and making electroscope) Conductors and Insulators (only concept of earthing) Charging by Induction
Chapter 2:Electrostatic Potential and Capacitance
Energy stored in a Capacitor (only derivation)
Chapter–3: Current Electricity
Electrical Resistance, Carbon resistors, colour code for carbon resistors; series and parallel combinations of resistors, metre bridge, Potentiometer – principle and its applications to measure potential difference and for comparing EMF of two cells; measurement of internal resistance of a cell
Chapter–4: Moving Charges and Magnetism
Cyclotron
Magnetic Effects of Current and Magnetism
Chapter–5: Magnetism and Matter
magnetic dipole moment of a revolving electron
Chapter–6: Electromagnetic Induction
Eddy currents
Chapter–7: Alternating Current
LC oscillations
Chapter–9: Ray Optics and Optical Instruments
Scattering of light – blue colour of sky and reddish appearance of the sun at sunrise and sunset
Chapter–10: Wave Optics
Resolving power of microscope and astronomical telescope, polarisation, plane polarised light, Brewster’s law, uses of plane polarised light and Polaroids
Chapter–11: Dual Nature of Radiation and Matter
Davisson-Germer experiment
Chapter–13: Nuclei
Radioactivity, alpha, beta and gamma particles/rays and their properties; radioactive decay law.
Chapter–14: Semiconductor Electronics: Materials, Devices and Simple Circuits
Special purpose p-n junction diodes: LED, photodiode, solar cell and Zener
Chapter 15 Communication systems
Full Chapter deleted


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