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CSIR Syllabus

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.