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CBSE Class 12 Physics Notes


This page is about physics class 12. Study with us and be Successful in 12th physics exams. Here find Physics Notes, assignments, concept maps and lots of study material for easy learning and understanding. We have lots of study material written in easy language that is easy to follow.

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You are here in this page means you are looking for something to help you study physics of class 12. So this page contains notes of most of the physics notes for class 12 and we also have assignments of most of the chapters that you can practice. We also have a physics sample paper class 12 pdf download page where you can download lots of files. So, to learn any chapter you have to follow these steps
  1. First read and understand the notes.
  2. Try to go through the solved examples of 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.
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Electric Charge

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
  6. Calculation of Electric Field
  7. Electric Field Lines
  8. Electric Flux
  9. Electric Dipole
Assignments (for IITJEE/KVYP level)
  1. Assignment 1
  2. Assignment 2
  3. Questions and answers
  4. Assignment 3

Gauss's Law

Notes
  1. Introduction
  2. Electric field due to continous charge distributions
  3. Gauss's Law
  4. Applications of Gauss's Law
  5. Derivation of Coulumb's Law
  6. Electric field due to line charge
  7. Electric field due to charged solid sphere
  8. Electric field due to an infinite plane sheet of charge
Assignments (for IITJEE/KVYP level)
  1. Assignment 1
  2. Assignment 2

Electric Potential

Notes
  1. Introduction
  2. Electric potential energy
  3. Electric Potential
  4. Electric potential due to a point charge
  5. Relation between electric fiels and electric potential
  6. Equipotential surfaces
  7. Potential due to an electric dipole
  8. Work done in rotating an electric dipole in an electric field
  9. Potential energy of dipole placed in uniform electric field
Assignments (for IITJEE/KVYP level)
  1. Assignment 1
  2. Assignment 2

Capacitance

Notes
  1. Introduction
  2. Calculation of capacitance
  3. Parallel plate capacitor
  4. Cylinderical capacitor
  5. Spherical capacitor
  6. Capacitors in series and parallel combinations
  7. Energy stored in a capacitor
  8. Effect of Dielectric
Assignments (for IITJEE/KVYP level)
  1. Assignment 1
  2. Assignment 2

Electric Current and resistance

Notes
  1. Introduction
  2. Electric current and Current density
  3. Drift Velocity
  4. Relation between drift velocity and electric current
  5. Ohm's Law and Resistance
  6. Resistivity and conductivity
  7. variation of resistivity with temperature
  8. Current Voltage relations
  9. Colour code of carbon resistors
  10. Combination of Resistors
Assignments (for IITJEE/KVYP level)
  1. Assignment 1
  2. Assignment 2
  3. Assignment 3
Concept Maps
  1. Drift Velocity

EMF and Electric Measurement

Notes
  1. Introduction
  2. ElectroMotive Force(emf)
  3. Internal Resistance of Battery (or cell)
  4. Electric Energy and Power
  5. Kirchoff's Rules
  6. The junction Rule (or point rule)
  7. The Loop Rule (or Kirchoff's Voltage Law)
  8. Grouping of the cell's
  9. Meter bridge (slide wire bridge)
  10. Potentiometer
  11. Comparison of EMF's of two cells using potentiometer
  12. Determination of internal resistance of the cell
Assignments (for IITJEE/KVYP level)
  1. Assignment 1
  2. Assignment 2
  3. Assignment 3

Heating effect of current

Notes
  1. Introduction
  2. Heating effect of current
  3. Thermoelectricity
  4. Seebeck effect
  5. variation of thermo-emf with temperature
  6. Peltier Effect
  7. Thomson effect
  8. Applications of thermoelectricity or thermo-electric effect
Concept Maps
  1. Thermalcurrent


Magnetic Field

Notes
  1. Introduction
  2. The Magnetic Field
  3. Lorentz Force
  4. Motion of Charged Particle in The Magnetic Field
  5. Cyclotron
  6. Magnetic force on a current carrying wire
  7. Torque on a current carrying rectangular loop in a magnetic field
Assignments (for IITJEE/KVYP level)
  1. Assignment Combined with Magnetic effects of current

Magnetic Effects of current

Notes
  1. Introduction
  2. Biot Savart Law
  3. Comparison between Coulomb’s laws and Biot Savart laws
  4. Applications of Biot Savart law
  5. Magnetic Field due to steady current in an infinitely long straight wire
  6. Force between two long and parallel current carrying conductor
  7. Magnetic Field along axis of a circular current carrying coil
  8. Magnetic Field at the center of a current carying arc
  9. Ampere's circuital law
  10. Magnetic field of a solenoid
  11. Magnetic Field of a toriod
Assignments (for IITJEE/KVYP level)
  1. Assignment Combined with Magnetic effects of current

Magnetic Properties of Matter

Notes
  1. Introduction
  2. Intensity of Magnetization
  3. Magnetic Field strength
  4. Magnetic Susceptibility
  5. Magnetic permeability
  6. Phenomenological classification
  7. Main Effects of external Field
  8. concept of ferromagnetism
  9. Hysteresis

Electromagnetic Induction

Notes
  1. Introduction
  2. Faraday's experiment
  3. Magnetic Flux
  4. Faradays law of electromagnetic induction
  5. Direction of Induced EMF: Lenz's Law
  6. Explaination of lenz's law
  7. Motional EMF
  8. Induced Electric Fields

Inductance

Notes
  1. Introduction
  2. Self Inductance
  3. Self induction of a long solenoid
  4. Energy in an inductor
  5. Growth and decay of current in L-R circuit
  6. The R-C circuit
  7. The L-C circuit
  8. Mutual Inductance
  9. Mutual Inductance of two co-axial solenoids
  10. Relation between Mutual inductance and self inductance

Alternating current

Notes
  1. Introduction
  2. Alternating current and Alternating EMF
  3. Average or mean current
  4. Root Mean square value of AC
  5. Phasor diagram
  6. A.C through pure resistor
  7. A.C through pure inductor
  8. AC through pure capacitor
  9. Circuit containing inductance and resistance in series
  10. Circuit containing capacitance and resistance in series
  11. LCR series circuit
Assignments (for IITJEE/KVYP level)
  1. Assignment 1
  2. Assignment 2
  3. Assignment 3

Huyghen's principle and interference of light

Notes
  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

Notes
  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

Bipolar Junction Transistors

Notes
  1. Introduction
  2. Action of transistor
  3. Transistor circuit configuration and transistor characterstics
  4. Common emitter transistor configuration

Radioactivity

Notes
  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

Atomic nucleus : An introduction

Notes
  1. Discovery of nucleus
  2. Nuclear Composition
  3. Atomic mass
  4. Isobars and Isotones
  5. Size of nucleus

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