Physics-III (Electricity and Modern Physics)

Course Code7273Marks: 100Credits: 4Class Hours: 60Course Title:Physics-III (Electricity and Modern Physics)Exam Duration: 4 Hours1.Change and Matter: Concept of charge, Conservation of charge. Coulomb’s law.2.The Electrostatic Field: The Electric field strength due to a point charge, a dipole, Group of charged and uniformly distributed charged bodies.3.The electrostatic potential: Potential due to a point charge, a dipole, a group of charged and a continuous distribution of charged bodies. Notion of gradient: Relation between potential and electric field strength. Electric potential energy. Van de Graff generator.4.Flux of electrostatic field: Gauss’s law. Concept of solid angle. Flux due to a point charge, group of charge. Conservation of flux. Application of Gauss’s law.5.Capacitor and Dielectrics: Capacitance, Parallel plate and cylindrical capacitor. Dielectrics and Gauss’s law. Energy storage in an electric field.6.Electric Current (D.C): Electromotive force, Current and current density. Resistance, Resistivity and conductivity, Ohm’s law, Atomic view of resistivity, Energy transfer in an electric curcuit, Kirchhoff’slawsand their applications. Potentiometer. Meter bridge and Post office box.7.The Magnetic field: Magnetic Induction B. Motion of a charge field. Magnetic force on a current, Torque on a current loop, the Hall effect, Circulating charges. Dead beat and ballistic galvanometers, Thomson`s experiment, Ampere’s law, B near a long wire, Ampere’s circuital law, B due to a solenoid, the Biot-Savart law and its applications.8.Electromagnetic induction: Faraday’s law of induction, Lenz’s law, Self and mutualinductance. Time-varying magnetic fields, Energy density in a magnetic field.9.Magnetic Properties of matter: Magnetic dipole, Gauss’s Law for magnetism, Paramagnetism, Diamagnetism and ferromagnetism, Nuclear magnetism, Energy in a magnetic field, Hysteresis.10.Varying current: Growth and decay of currents in LR, CR and LCR circuits.11.Alternating Currents: AC generator, Concept of r.m.s and average values of current
and voltage, Resistive circuit, CR, LR and LCR circuits in series and paralle, Resonance, Phase and Power transformer.12.Electronics: Vacuum diodes and triodes, P-type, n-type semiconductors, p-n junctions, Transistors, Transistor biasing, Transistor amplifiers, Transmitters and Receivers.13.Special Theory of Relativity: Inertial frame, Galilean transformation, Michelson-Morley experiment, Postulates of special theory of relativity, Lorentz transformation equations space contraction, Time dilation, Relativity of mass, Mass and energy.14.Light and Quantum Physics: Planck’s radiation formula, Photoelectric effect, Einstein’s Photon theory, The Compton effect, The hydrogen atom and The correspondence principle.15.Waves and particles: Matter waves, atomic structure and standing waves, Mechanics, Uncertainty principle.16.The atomic nucleus: The nuclear constituents, The nuclear force, Nuclear radius, Stable nuclei, The binding energy of stable nuclei mass defect and Packing fraction.17.Radioactivity: Meaning of radioactivity, Unstable nuclei, Exponential decay law, Half life, Mean life and units of radioactivity, Basic ideas of nuclear reactor, Nuclear fission and Nuclear fusion.
Books Recommended:1.Halliday,D, Resnick,R and Walker, J2.Halliday, D and Resnick, R.:3.Husain, A & Islam. S4.Emran, M, Ishaque, M & Islam, A.M.Z.5.Besier, A.6.Semat, H.