Bsc Part - I PHYSICS |
PAPER I -Mechanics and Special Theory of Relativity |
Unit 1.
Mechanics: Background of Vector calculus: Concepts of gradient, divergence 'and curl; line, surface and volume Integrals Frame of Reference, Galilean transformation, Galilean invariance, Incrtial and Non-incrtia I frames, Pseudo forces, Rotating reference frame, Centrifugal force, Coriolis Force. System of particles, Centre of Mass, Linear momentum, centre of mass frame, Rotation motion in two and three dimensions, Angular momentum, Moment of Inertia lensor, Central forces, Conservative forces, Potential energy, Gravitational potential and field due to a uniform spherical shell and solid sphere, Conservation laws.
Unit 2.
Motion Under a Central Force: Two-particle problem reduced mass, lab and Center of mass co-ordinate systems, Motion in an inverse square field, Kepler's law, Motion of Satellite, Geostationary Satellite.
Unit 3.
Mechanics of Non-rigid Bodies: Strain and stress in an isotropic homogeneous medium, Elastic moduli and relations between them, Torsion of cylinders, Bending of beams, Internal energy of a strained body.
Unit 4.
Fluid Mechanics: Ideal fluids, Equation of continuity, Streamline flow, Rotational and irrotational flows, Euler's equation, Bernoulli's Theorem, Viscous fluids, Poiscuille's equation, Viscosity by rotating cylinder method.
Unit 5.
Special Theory of Relativity: Inference of Michelson - Morley Experiment:, Postulates of special relativity, lorentz transformations, length contraction, Time dilation, Simultaneity in relativity theory, Addition of velocities, Relativistic dynamics, Variation of mass with velocity, mass -energy relation, Relativistic Doppler shift, Aberration.
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PAPER II Optics |
Unit I.
Cardinal Points of coaxial optical systems. Simple problems on combination ofthin lenses, Eyepieces, Aplanatic points. Nature of light, Elemeritary ideas of electromagnetic wave and photon theories of light. Complex representation of waves and its application (to be used in the theory of various phenomenon).
Unit 2.
Conditions for observing interference, Degree of coherence and visibility of iringes, Production of interference fringes and determination of wavelength, Michelson imerferometer and Its uses, Colour of thin films), Newton's Rings. Theory of Multiple Reflections, FP Elalon.
Unit 3.
Fresnel's theory of diffraction, Half-period elements. Diffraction from circular obstacle and aperture (Elementary theory), Zone Plate, Fresnel diffraction by straight edge and single slit.
Unit 4.
Fraunhofer 's diffraction by single slit and double slit. Theory of plane grating, Width of principal maxima. Rayleigh's criterion of resolution, Resolving power of prism, grating and FP etalon. Limit of resolution for telescope; Concave grating (elementary theory), and its mountings.
Unit 5.
Un polarised, Polarised and partially polarised lights. Polarisation by reflection, Double refraction by uni-axial crystals |
PAPER II Thermal Physics |
Polaroids, Huygen's theory of double refraction. Half and quarter wave plates. Production of elliptically polarlsed light, analysis of ellipucally polarlscd light by using a Nicol and a quarter wave plate, Optical activity. Fresnel's theory of optical rotation, Specific rotation, Blquartz and laurent's half-shade' polarmeters.
Unit 1.
Thermodynamics: Thermodynamic systems, macroscopic and microscopic variables, thermodynamical equilibrium, thermodynamical state, zeroth, law of thermodynamics and concept of temperature, heat and work and their path-dependence, thermal processes, first law ofthermodynamics and internal energy, Joule's law, appllcation"offirst law. Carnot cycle, Carnot engine
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and refrigerator, reversible and Irreversible processes, Carnot theorem, thermodynamical scale of temperature, Clausius equation,
specific heat of saturated vapor.
Unit 2.
Clausius theorem, Clausius inequality, Entropy, calculation of entropy In various processes, entropy and un-available energy, physical' significance of entropy, second law ofthermodynamics, conditions for natural changes.
Thermodynamic potentials and Maxwell's equations, application of Maxwell's equation, Joule-Thomson effect, inversion temperature, change of phase, first and second order phase transitions and Ehrenfest's equations.
Unit 3.
Kinetic Theroy of Gases: Maxwell- Boltzmann law of distribution of molecular velocities, evaluation of r.m.s. velocity, average and most probable speed, mean path transport phenomenon.
Unit 4.
Conduction of Heat: Fourierequation for. one dimension a flow of heat and its steady state solution, periodic flow of heat (only sinusoidal heat current).
Unit 5.
Radiation: Radiation as electron mageqatic waves, emissive and absorptive powers, radiation in a hollow enclosure, black 'body radiation, Kirchoff's law, Intensity and energy density, pressure and energy density. Stefan-Boltzmalmlaw, solar constant and temperature of sun, temperature of non black bodies. distribution of energy in the spectrum of black body radiation, adiabatic expansion of black, body radiation, Weln' s distribution law. Wein's displacement law, Wein's formula, Rayleigh-lean's law, Plank's law. |
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