CBSE (Science) Class 12CBSE
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Physics Class 12 CBSE (Science) CBSE Topics and Syllabus

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Topics with syllabus and resources

100.00 Electrostatics
101.00 Electrostatic Potential and Capacitance
  • Electric potential; potential difference; electric potential due to a point charge, a dipole and system of charges; equipotential surfaces; electrical potential energy of a system of two point charges and of electric dipole in an electrostatic field.
  • Conductors and insulators; free charges and bound charges inside a conductor. Dielectrics and electric polarisation; capacitors and capacitance; combination of capacitors in series and in parallel; capacitance of a parallel plate capacitor with and without dielectric medium between the plates; energy stored in a capacitor.
102.00 Electric Charges and Fields
  • Electric Charges; Conservation of charge; Coulomb's law-force between two point charges; forces between multiple charges; superposition principle and continuous charge distribution.
  • Electric field, electric field due to a point charge, electric field lines, electric dipole, electric field due to a dipole, torque on a dipole in uniform electric fleld.
  • Electric flux, statement of Gauss's theorem and its applications to find field due to infinitely long straight wire, uniformly charged infinite plane sheet and uniformly charged thin spherical shell (field inside and outside).
200.00 Current Electricity
201.00 Current Electricity
  • Electric current; flow of electric charges in a metallic conductor; drift velocity; mobility and their relation with electric current; Ohm's law; electrical resistance; V-1 characteristics (linear and non-linear), electrical energy and power; electrical resistivity and conductivity; Carbon resistors; colour code for carbon resistors; series and parallel combinations of resistors; temperature dependence of resistance.
  • Internal resistance of a cell; potential difference and emf of a cell combination of cells in series and in parallel; Kirchhoffs laws and simple applications; Wheatstone bridge, 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.
300.00 Magnetic Effects of Current and Magnetism
301.00 Magnetism and Matter
  • Current Loop as a magnetic dipole and its magnetic dipole moment; magnetic dipole moment of a revolving electron; magnetic field intensity due to a magnetic dipole (bar magnet) along its axis and perpendicular to its axis; torque on a magnetic dipole (bar magnet) in a uniform magnetic field; bar magnet as an equivalent solenoid; magnetic field lines; earth's magnetic field and magnetic elements.
  • Para-, dia- and ferro - magnetic substances, with examples. Electromagnets and factors affecting their strengths; permanent magnets.
302.00 Moving Charges and Magnetism
  • Concept of magnetic field, Oersted's experiment.
  • Biot - Savart law and its application to current carrying circular loop.
  • Ampere's law and its applications to infinitely long straight wire. Straight and toroidal solenoids (only qualitative treatment); force on a moving charge in uniform magnetic and electric fields; Cyclotron .
  • Force on a current-carrying conductor in a uniform magnetic field; force between two parallel current-carrying conductors-definition of ampere, torque experienced by a current loop in uniform magnetic field; moving coil galvanometer-its current sensitivity and conversion to ammeter and voltmeter.
400.00 Electromagnetic Induction and Alternating Currents
401.00 Alternating Current
  • Alternating currents, peak and RMS value of alternating current/voltage; reactance and impedance; LC oscillations (qualitative treatment only); LCR series circuit; resonance; power in AC circuits, power factor; wattless current.
  • AC generator and transformer.
402.00 Electromagnetic Induction
  • Electromagnetic induction; Faraday's Laws, induced EMF and current; Lenz's Law, Eddy currents. Self and mutual induction.
500.00 Electromagnetic Waves
501.00 Electromagnetic Waves
  • Basic idea of displacement current, Electromagnetic waves, their characteristics, their Transverse nature (qualitative ideas only).
  • Electromagnetic spectrum (radio waves, microwaves, inf rared, visible, ultraviolet, X-rays, gamma rays) including elementary facts about their uses.
600.00 Optics
601.00 Ray Optics and Optical Instruments
  1. Ray Optics:Reflection of light; spherical mirrors; mirror formula; refraction of light; total internal reflection and its applications; optical; fibres; refraction at spherical surfaces; lenses; thin lens formula; lensmaker's formula; magnification, power of a lens; combination of thin lenses in contact; refraction and dispersion of light through a prism.
  2. Scattering of light - blue colour of sky and reddish apprearance of the sun at sunrise and sunset.
  3. Optical instruments: Microscopes and astronomical telescopes (reflecting and refracting) and their magnifying powers.
602.00 Wave Optics
  • Wave front and Huygen's principle; reflection and refraction of plane wave at a plane surface using wave fronts. Proof of laws of reflection and refraction using Huygen's principle. Interference;
  • Young's double slit experiment and expression for fringe width, coherent sources and sustained interference of light; diffraction due to a single slit; width of central maximum ; resolving power of microscope and astronomical telescope, polarisation; plane polarised light;
  • Brewster's law; uses of plane polarised light and Polaroids.
700.00 Dual Nature of Radiation and Matter
701.00 Dual Nature of Radiation and Matter
  • Dual nature of radiation; Photoelectric effect; Hertz and Lenard's observations; Einstein's photoelectric equation-particle nature of light.
  • Matter waves-wave nature of particles ; de-Broglie relation; Davisson-Germer experiment (experimental details should be omitted; only conclusion should be explained).
800.00 Atoms and Nuclei
801.00 Nuclei
  • Composition and size of nucleus; Radioactivity; alpha, beta and gamma particles/rays and their properties; radioactive decaylaw.
  • Mass-energy relation; mass defect; binding energy per nucleon and its variation with mass number; nuclear fission; nuclear fusion.
802.00 Atoms
  • Alpha-particle scattering experiment; Rutherford's model of atom; Bohr model, energy levels, hydrogen spectrum.
900.00 Electronic Devices
901.00 Semiconductor Electronics - Materials, Devices and Simple Circuits
  • Energy bandsin conductors;semiconductors and insulators (qual tative ideas only)
  • Semiconductor diode - I-V characteristics in forward and reverse bias; diode as a rectifier;
  • Special purpose p-n junction diodes: LED, photodiode, solar cell and Zener diode and their characteristics; zener diode as a voltage regulator.
  • Junction transistor; transistor action; characteristics of a transistor and transistor as an amplifier (common emitter configuration); basic idea of analog and digital;signals Logic gates (OR, AND, NOT, NANO and NOR).
1000.00 Communication Systems
1001.00 Communication Systems
  • Elements of a communication system (block diagram only); bandwidth of signals (speech, TV and digital data); bandwidth of transmission medium. Propagation of electromagnetic waves in the atmosphere, sky and space wave propagat on, satellite communication. Need for modulation, amplitude modulation.
1100.00 The Special Theory of Relativity
1101.00 The Special Theory of Relativity
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