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Sunday, February 06, 2011

Syllabus Of physics-II

UNIT – I
Nuclear Physics and Electron Ballistics:
(i) Nuclear Physics: The structure of atomic nuclei, Radioactive decay and nuclear reactions, controlled and uncontrolled chain reaction, criteria of critical mass, Nuclear reactor and its site selection, Nuclear fusion in stars. Introduction of elementary particles.
(ii) Electron ballistics: Motion of charged particles in electric and magnetic field. Aston and Bainbridge mass spectrograph, Cyclotron and its energy limitations.
[No. of Pds: 8+2]
UNIT – II
Lasers & Fiber Optics:
(i) Lasers: Temporal and spatial coherence of light wave, Principle of laser, Laser characteristics, components of laser, Principle of ruby, He-Ne & semiconductor lasers, applications Basic concepts of Holography.
(ii) Fiber Optics: Optical fibers; introduction & advantages, strucrue & classification, Principle of propagation in fibers, attenuation & distortion, acceptance angle and cone, numerical aperture, basic concept of optical computing.
[No. of Pds: 8+2]
UNIT – III
Solid State Physics
Crystalline and amorphous solids, co-ordination number, atomic radius, density of packing, Miller indices, Separation between lattice planes, Symmetry elements. Structural features of nano particles. Formation of energy bands in solids (Energy level approach), Classification of Solids, Conduction mechanism in semiconductor, charge neutrality equation, Fermi level in intrinsic and extrinsic semiconductors (Qualitative approach), Dependence of Fermi level on impurity concentration and temperature, Einstein relation.
[No. of Pds: 8+2]
UNIT - IV
Solid State Devices: Drift & diffusion current, photoconductivity; photoconductors, Hall effect. Formation of P-N junction, solar cells, light dependent resistor, Photo diode, transistors: construction and operation of PNP and NPN, C-B, C-E, Configurations, Super conductivity, Meissner effect, BCS theory, Type-I and Type-II superconductors, applications, SQUIDS.
[No. of Pds: 8+2]
UNIT – V
Dielectrics and Magnetic Materials: Dielectric constant, Dielectric polarization, polar and non-polar dielectrics. Gauss’s law, E, P and D vectors. Different types of polarization. Concept of internal fields, Clasius-Mossotti relationship, Langevin theory of dipolar orientation.
Magnetic Materials – diamagnetic, para-magnetic, ferro-magnetic and ferrite materials-hard & soft magnets, applications, magneto-optic effects. Antiferromagnetism.
[No. of Pds: 8+2]
TEXT BOOKS: Gaur and Gupta “Engineering Physics” Beiser, “Modern Physics”, McGraw-Hill Inc., New Delhi. Avadhanulu and Kshirsagar “Engineering Physics”.
REFERENCE BOOKS:

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