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CLASS 12 – PHYSICS with following units explained in details :Unit I. Electrostatics, Unit II. Current Electricity, Unit III. Magnetic Effects of Current and Magnetism, Unit IV. Electromagnetic Induction and Alternating Currents, Unit V. Electromagnetic Waves, Unit VI. Optics,Unit VII. Dual Nature of Matter and Radiation, Unit VIII. Atoms and Nuclei, Unit IX. Electronic Devices, Unit X. Communication Systems
CLASS 12 – PHYSICS
Unit I. Electrostatics
Electric Charge and Coulomb’s law, Electric Field, Electric Potential, Electric Dipole, Gauss’s Law, Capacitance, Capacitor, Dielectrics
Unit II. Current Electricity
Electric Current, Ohm’s Law, Combination of resistances, Electromotive Forces, Kirchhoff ’s laws, Heating Effect of Electric current, Electrical devices I, Electrical devices II
Unit III. Magnetic Effects of Current and Magnetism
Magnetic field due to electric current, Biot Savart’s Law, Ampere circuital law, Motion of charged particles in electric and magnetic field, Torque on a current loop in uniform magnetic field, Permanent Magnet, Earth’s Magnetism, Classification of magnetic materials
Unit IV. Electromagnetic Induction and Alternating Currents
Electromagnetic Induction, Self Induction and Mutual Induction, Transient Current, Alternating Current and its Characteristics, A.C.Circuits and Phasor diagram
Unit V. Electromagnetic Waves
Electromagnetic spectrum, X – rays
Unit VI. Optics
Compton scattering, Reflection of light by spherical mirror, Mirror formula, Laws of refraction of light, Total internal reflection, Refraction at spherical surfaces, Refraction through a lens, Lens maker’s and lens equation, Image formation, Refraction through prism, Dispersion of light, Human Eye, Magnifying power of optical instruments and telescope, Microscope, Interference, Diffraction of light, Polarisation of light
Unit VII. Dual Nature of Matter and Radiation
Photoelectric effect, De Broglie’s Equation, Different theories about nature of light
Unit VIII. Atoms and Nuclei
Rutherfords α – particle scattering, Bohr’s Theory of Hydrogen Atom, Nuclei and their properties, Radioactivity, Mechanism of radioactive decay, Nuclear fission, Nuclear fusion
Unit IX. Electronic Devices
Energy bands in solids, Semiconductors, pn junction, Semiconductor diode, Transistor and its action, Transistor as an amplifier, Three basic logic gates and integrated circuits
Unit X. Communication Systems
Elements of communication, Modulation, Space communication
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