ENGINEERING PHYSICS- II (NAS-202)

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Syllabus of ENGINEERING PHYSICS- II (NAS-202)

Unit – I 07 Hrs
Crystal Structures and X-ray Diffraction:
Space lattice, basis, Unit cell, Lattice parameter, Seven crystal systems and Fourteen Bravais lattices,
Crystal-System Structure, Packing factor (cubic, body and face), Crystal structure of NaCl and diamond,
Lattice planes and Miller Indices, Reciprocal Lattice, Diffraction of X-rays by crystal, Laue’s
experiment, Bragg’s Law, Bragg’s spectrometer.
Unit – II 08 Hrs
Dielectric and Magnetic Properties of Materials:
Dielectric Properties: Dielectric constant and Polarization of dielectric materials, Types of Polarization
(Polarizability). Equation of internal fields in liquid and solid (One- Dimensional), Claussius MussotiEquation,
Frequency dependence of dielectric constant, Dielectric Losses, Important applications of
dielectric material,
Magnetic Properties: Magnetization, Origin of magnetic moment, Dia, para and ferro magnetism,
Langevin’s theory for diamagnetic material, Phenomena of hysteresis and its applications.
Unit – III 06 Hrs.
Electromagnetic Theory Displacement
Current, Equation of continuity, Maxwell’s Equations (Integral and Differential Forms), Poynting
theorem and Poynting vectors, EM – Wave equation and its propagation characteristics in free space, nonconducting
and in conducting media, Skin depth.
Unit – IV 09 Hrs
Physics of some Technologically important Materials
Semiconductors: Band Theory of Solids, density of states, Fermi-Dirac distribution, free carrier
density(electrons and holes), conductivity of semiconductors, Position of Fermi level in intrinsic and in
extrinsic semiconductors.
Superconductors: Temperature dependence of resistivity in superconducting materials, Effect of
magnetic field (Meissner effect), Temperature dependence of critical field, Type I and Type II
superconductors, BCS theory (Qualitative), High temperature superconductors and Applications of Superconductors.

Nano-Materials: Basic principle of nanoscience and technology, structure, properties and uses of
Fullerene and Carbon nanotubes, Applications of nanotechnology.

Reference books:
1. Concept of Modern Physics – by Beiser (Tata Mc-Graw Hill)
2. Solid State Physics – by C. Kittel, 7th edition (Wiley Eastern)
3. Materials Science and Engineering – by V. Raghavan (Prentice- Hall India)
4. Solid State Physics – by S.O. Pillai, 5th edition (New Age International)
5. Introduction to Electrodynamics – by David J. Griffith (PH I)
6. Applied Physics for Engineers- Neeraj Mehta (PHI Learning, New Delhi)

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