CSIR Study Materials UGC NET CSIR FAQ
Physical Sciences Paper II
PAPER – II
PART ‘A’ Weightage 50 %
Syllabus same as for Section B – Paper I
Part ‘B’ Weightage 50%
1. Electronics : Physics of junction. Diode as a circuit element ; clipping, clamping ; Rectification, Zener regulated power supply ; Transistor as a circuit element : CC, CB and CE configuration. Transistor as a switch, OR, AND, NOT gates. Feed back in Amplifiers.
Operational amplifier and its applications : inverting, non – inverting amplifier, adder, integrator, differentiator, wave form generator, comparator & Schmidt trigger.
Digital integrated circuits – NAND & NOR gates as building blocks, X – OR Gate, simple combinational circuits, Half & Full adder, Flip-flop, shift register, counters.
Basic principles of A/D & D/A converters ; Simple applications of A/D & D/A converters.
2. Atomic & Molecular Physics : Quantum states of an electron in an atom. Hydrogen atom spectrum. Electron spin. Stern-Geriach experiment. Spin-orbit coupling, fine structure, relativistic correction, spectroscopic terms and selection rules, hyperline structure. Exchange symmetry of wave functions. Paul’s exclusion principle, periodic lable alkali – type spectra, LS & JJ coupling, Zeeman, Paschen – Back and Stain effects.
X-Rays and Auger transitions, Compton effect. Principles of ESR, NMR
Molecular Physics : Convalent, ionic and Van der Waa’s interaction.
Rotation Vibration spectra. Raman Spectra, selection rules, nuclear spin and intensity alternation, isotope effects, electronic states of diatomic molecules, Frank – Condon principle. Lasers – spontaneous and stimulated emission, optical pumping, population inversion, coherence (temporal and spatial) simple description of Ammonia maser, CO2 and He-Ne Lasers.
3. Condensed Matter Physics : Crystal classes and systems, 2d & 3d lattices, Bonding of common crystal structures, reciprocal lattice, diffraction and structure lector, elementary ideas about point defects and dislocations.
Lattice vibrations, Phonons, specific heat of solids, free electron theory – Fermi statistics ; heat capacity.
Electron motion in periodic potential, energy bands in metals, insulators and semi-conductors ; fight binding approximation ; impurity levels in depend semi-conductors.
Electronic transport from classical kinetic theory, electrical and thermal conductivity, Hall effect and thermo – electric power transport in semi – conductors.
Di – electric – Polarization mechanisms, Clauslus – equation, Plezo, Pyto and ferro – electricity.
Dia and Para magnetism ; exchange interactions, magnetic order, ferro, anti – ferro and ferrimagnetism.
Super conductivity basic phenomenology ; Meissner effect, Type – 1 and Type – 2 Super conductions, 8CS, Paining mechanism.
4. Nuclear and Particle Physics : Basic nuclear properties – size, shape, change distribution, spin and parity, binding, empirical mass formula, liquid drop model.
Nature of nuclear force, elements of two – body problem, charge independence and charge symmetry of nuclear forces. Evidence for nuclear shell structure. Single particle shell model – its validity and limitations, collective model.
Interactions of changed particles and e.m. rays with matter. Basic principles of particle detectors – ionization chamber, gas proportional counter and GM counter, scintillation and semiconductor detectors.
Radio – active decays basic theoretical understanding.
Nuclear reactions, elementary ideas of reaction mechanisms, compound nucleus and direct reactions, elementary ideas of fission and fusion.
Particle Physics : Symmetrics an conservation laws, classification of fundamental forces and elementary particles, iso – spin, strangeness, Galf – Mann Nishijima formula, Quark model, C. P. T. invariance in different interactions, parity – non conservation in weak interaction.