2.
Thermal Physics—Law of thermodynamics, Entropy, Carnot's cycle,
Isothermal and Adiabatic Change, Thermodynamic Potentials Maxwell's
relations. The Clausius-Clapeyren equation reversible cell. Joule-Kelvin effect
etc. fan Boltazmann Law, Kinetic Theory of Gases, Maxwell's Distribution Law
of velocities, Equipartition of energy, Specific heats of gases. Mean Free Path,
Brownian Motion, Black Body radiation, specific heat of solids-Einstean and
Dbye theories, Wein's Law, Plack's Law, Sloar Constant. Thermalionization
and Stellar spectra, production of law temperatures using adiabatic
demagnatization and dilution refrigeration, Concept of negative temperature.
3.
Waves and Oscillations
—
Oscillations, Simple harmonic motion,
stationary and travelling waves, Damped harmonic motion, Forced oscillation
and Resonace, wave equation, Harmonic Solutions, Plane and Spherical waves,
Superposition of waves, Phase and Group velocities. Beats, Huygen's
principle, Interference. Differaction-Fresnee and Fraunhofer. Diffraction by
straight edge, Single and multiple slits. Resolving power of grating and Optical
Instiments. Rayleigh Criterion, Polarization; Production and Detection of
polarized light (linear, circular and elliptical), Laser sources (Helium-Neon,
Ruby, and semiconductor diode). Concept of spatial and temporal coherence.
Diffraction as a Fourier transformation. Fresnel and Fraunhofer diffraction by
rectangular and circular apetues. Holography; theory and applications.
PAPER—II
ELECTRICITY & MAGNETISM, MODERN PHYSICS & ELECTRONICS
1.
Electricity and Magnetism--Coulmb's
law, Electric field, Gauss's Law,
Electric-potential, Possion
and
Laplace equations for a homogeneous dielectric,
uncharged conducting sphere in a uniform field, point Charge and infinite
conduction plane. Magnetic Shell Magnetic induction and field strength.
Biot-Savart law and applications. Electromagnetic induction. Faraday's and
Lenz's laws, Self and mutual inductances. Alternating currents. L.C.R. cicurits
series and parallel resonance circuits, quality factor. Kirchoffs laws with
application. Maxwell's equations and electromagnetic waves, Transverse
nature of electro-magnetic waves. Poynting vector. Magnetic fields in matter-
dia. Para, ferro antiferro and ferri magnetism (qualitative approach only).
2.
Modern Physics—Bohr's theory of hydrogenatom, Electron spin,
Optical and X-ray Spectra, Sterm-Gerlach experiment and spatial quantization.
Vector model of the atom, spectral terms, fine structure of spectral lines, J.J.
and L-S coupling. Zeeman effect, Paull's exclusion principle, spectral terms of
two equivalent and non-equivalent electrons. Gross and fine structure of
electronic band Spectra. Raman effect, Photoelectric effect, Compton effect,
Debroglie waves. Wave particle duality and uncertainty principle. Schrodinger
wave quation with application to (i) Particle in a box, (ii) motion across a step
potential, One dimensional harmonic oscillator eigen values and eigen
functions. Uncertainty Principle Radioactivity, Alpha, beta and gamma
radiations Elementary theory of the alpha decay. Nuclear bindind energy,
Mass Spectroscopy, Semi empirical mass formula. Nuclear fission and fusion
[ 49 )