PHYSICS for 2year M.Sc. (Physics) and 3year M.Sc.Tech. (Applied
Geophysics ) courses:
(a) GENERAL PHYSICS: Linear and angular motion of particles. Newton’s Gravitational
law, gravitational field due to geometrical bodies. Kepler’s law, escape velocities
and satellites. Rotational motion, Moment of inertia for various geometrical bodies,
Elastic modulii and their interrelations, torque on cylinder, cantilever, ripples
and gravity waves, Molecular theory of surface tension, Capillarity for liquid columns,
Kinematics of moving fluids, equation of continuity, Euler’s equation, Bernaulli’s
theorem, viscosity, Stokes law.
(b) SOUND: Simple harmonic motion and its superposition, Velocity of sound
waves. Dispersion and phase and group velocity of waves. Free, damped, forced vibrations.
Fourier’s theorem and its applications, analyzing simple waveforms, concept of vibration
of membrane, vibration of air column, vibrations of strings, acoustics of auditorium
and building.
(c) CLASSICAL MECHANICS: Hamilton’s principle, Lagrange’s and Hamilton’s
equations of motion, Motion in a central field, inertia of ellipsoid and principal
moments of inertia, moment of rigid body, Euler’s equation of rotating body, gyroscopic
motion.
(d) SPECIAL THEORY OF RELATIVITY: Inertial frames and Galilean invariance,
Postulates, Lorentz transformation and consequences, length contraction and time
dilation, Velocity dependence of mass. Relativistic velocity addition theorem. Mass
energy equivalence.
(e) STATISTICAL PHYSICS: Distinguishable and indistinguishable particle,
MaxwellBoltzman, FermiDirac and Bose Einstein distribution laws. Black body radiation:
Planck’s radiation lawWein’s and RaleighJean’s distribution laws and Stefan’s
law.
(f) THERMAL PHYSICS: Kinetic theory of gases. Laws of Thermodynamics, Isothermal
and adiabatic processes. Reversible, irreversible and quasistatic processes, Carnot’s
cycle, Entropy, Maxwell’s and TdS equations. Phase transition and Clausius Clapeyron’s
equations, Latent heat equations for liquid and vapour. Liquification of gas, Vander
Waal’s equation, JouleThomson effect, Enthalpy, Free energy.
(g) OPTICS: Combination of thin lenses and thick lens, Rayleigh’s criterion
and resolving powers. Interference of light, Diffraction of light, Plane and concave
gratings. Double refraction, Plane, circular and elliptical polarizations. Dispersion
through prisms and grating. Zeeman effect, Stark effect; rotation and vibration
spectra of molecules.
(h) ELECTRICITY/MAGNETISM: Gauss’s law, system of charges, conductors, capacitors,
dielectrics, dielectric polarization, volume and surface charges, electrostatic
energy, Biosavart’s law, Ampere’s law, Faraday’s law of electromagnetic induction,
self and mutual inductance, electric polarization and displacement, electric images,
space quantization, SternGerlach experiment. Langevin’s theories of dia and para
magnetism. Weiss’ theory of ferromagnetism, hysteresis, transients, L.C.R. circuit,
alternating current, use of Joperator in solving electrical circuit problems, parallel
and seriesresonant circuits, transformers. Seebeck, Peltier, and Thomson effects,
Poisson’s and Laplace’s equations. Maxwell’s field equations, plane electromagnetic
waves, Poynting’s theorem, reflection and refraction at dielectric interface.
(i) MODERN PHYSICS: Nuclear disintegration, mass defect, packing fraction,
binding energy, nuclear energy, elementary crystallography, crystal binding, Einstein’s
and Debye’s theories of specific heat, free electron in metals. Fermi energy and
density of states. Elementary band theory. Concept of hole & effective mass,
Photoelectric, Compton and Raman effects. Active semiconductor devices diodes and
transistors, rectifier, simple voltage amplifier, principle of oscillator. Radioactivity,
α and β spectra; theories of α and β decay.
