CBSE Syllabus Class 12 Physics 2019 | Latest Updated Syllabus Available

CBSE Class 12 Physics Syllabus 2019CBSE Class 12th Physics Syllabus is divided into various units and the maximum marks are given to the optics unit so we advise the students to prepare it more than other subjects. The students also know that the subject is not divided into sections in this case sot eh students may need to change the preparation strategy for the subject. So try considering other preparation methods.

CBSE Syllabus Class 12 Physics 2019

Unit NameChapter NameMarks
ElectrostaticsElectric Charges And Feilds15
Electronics Potential And Capacitance
Current ElectricityCurrent Electricity
Magnetic Effect Of Current And MagnetismMoving Charges And Magnetism16
Magnetism and Matter
Electromagnetic Induction and Alternating CurrentElectromagnetic Induction
Alternating Current
Electromagnetic WavesElectromagnetic Waves17
OpticsRay Optics And Optical Instruments
Wave Optics
Dual Nature Of MatterDual Nature Of Radiation & Matter10
Atoms And NucleiAtoms
Nuclei
Electromagnetic DevicesSemi-Conductor Devices12
Communication SystemsCommunication Systems
Total70
Practical30
Total100

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Unit NameName of Chapter
Unit I: Electrostatics 
Chapter–1: 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 field.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).Chapter–2: 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.
Unit II: Current ElectricityChapter–3: 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-I 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, Kirchhoff’s 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.
Unit III: Magnetic Effects of Current and MagnetismChapter–4: 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.Chapter–5: 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.
Unit IV: Electromagnetic Induction and Alternating CurrentsChapter–6: Electromagnetic Induction
Electromagnetic induction; Faraday’s laws, induced EMF and current; Lenz’s
Law, Eddy currents. Self and mutual induction.Chapter–7: 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.
Unit V: Electromagnetic wavesChapter–8: Electromagnetic Waves
Basic idea of displacement current, Electromagnetic waves, their characteristics, their Transverse nature (qualitative ideas only).Electromagnetic spectrum (radio waves, microwaves, infrared, visible, ultraviolet, X-rays, gamma rays) including elementary facts about their uses.
Unit VI: Optics

Chapter–9: Ray Optics and Optical Instruments

Ray Optics: Reflection of light, spherical mirrors, mirror formula, refraction of light, total internal reflection and its applications, optical fibers, refraction at spherical surfaces, lenses, thin lens formula, lensmaker’s  formula, magnification, power of a lens, combination of thin lenses in contact, refraction of light through a prism.

Scattering of light – blue colour of sky and reddish appearance of the sun at sunrise and sunset.

Optical instruments: Microscopes and astronomical telescopes (reflecting and
refracting) and their magnifying powers.

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Chapter–10: Wave Optics

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.

Unit VII: Dual Nature of Radiation and MatterChapter–11: 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).
Unit VIII: Atoms and NucleiChapter–12: Atoms
Alpha-particle scattering experiment; Rutherford’s model of atom; Bohr model,
energy levels, hydrogen spectrum.Chapter–13: Nuclei
Composition and size of nucleus, Radioactivity, alpha, beta and gamma particles/rays and their properties; radioactive decay law.Mass-energy relation, mass defect; binding energy per nucleon and its variation with mass number; nuclear fission, nuclear fusion.
Unit IX: Electronic DevicesChapter–14: Semiconductor Electronics: Materials, Devices and Simple
Circuits
Energy bands in conductors, semiconductors and insulators (qualitative 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.

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cbse syllabus class 12 physics

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