Elasticity – Stress-strain diagram and its uses – factors affecting elastic modulus – bending of beams. Bending moment – cantilever: theory and experiment. Uniform and non-uniform bending: theory and experiment – I-shaped girders – stress due to bending in beams.
Oscillatory motion – forced and damped oscillations: differential equation and its solution Spontaneous and stimulated emission- Population inversion -Einstein’s A and B coefficients -derivation. Types of lasers – Nd:YAG, CO2, Semiconductor lasers -applications. Principle and propagation of light in optical fibres – Numerical aperture and Acceptance angle - Types of optical fibres (material, refractive index, mode) – Losses in optical fibre- attenuation, dispersion, bending - Fibre Optical Communication system.
Intrinsic Semiconductors – Energy band diagram – direct and indirect semiconductors – Carrier concentration in intrinsic semiconductors – extrinsic semiconductors - Carrier concentration in N-type & P-type semiconductors- Variation of Fermi Energy level with temperature and impurity concentration –Photo detectors (PIN & Avalanche)- Solar cell-V-I characteristics.
Single crystalline, polycrystalline and amorphous materials – single crystals: unit cell, crystal systems, Bravais lattices, directions and planes in a crystal, Miller indices – inter-planar distances – coordination number and packing factor for SC, BCC, FCC, HCP and diamond structures – crystal imperfections: point defects, line defects – Burger vectors, stacking faults –– growth of single crystals: solution and melt growth techniques(Bridgman and Czochralski method).
NEW ENGINEERING MATERIALS
Quantum structures - Density of states in quantum well, quantum wire and quantum dot structures – Top-down process: Ball milling method- Bottom –up process: Physical vapour deposition method( Thermal evaporation)-Carbon Nanotubes- Preparation by pulsed laser deposition method, properties and applications, Metallic glasses: preparation, properties and applications. Shape memory alloys (SMA): Characteristics, properties of NiTi alloy, applications
Reference Book:
1. Rajendran.V, Engineering Physics,Tata Mcgraw-Hill Publishing Company
Limited, New Delhi.2017.
“Engineering Physics”, Wiley, 2013
2. A.S.Vasudeva, “Modern Engineering Physics”, S.Chand, 2001
3. Charles Kittel, “Solid State Physics”, Wiley(2009),
4. D.K.Battacharya, Poonam Tandon, “Engineering Physics”, Oxford University Press,2017
Text Book:
Gaur R.K. And Gupta S.L, “Engineering Physics”, Dhanpat Rai publishers, 2013
(Unit I, II, III & IV)
Dr.M.N.Avandhanulu, Dr.P.G.Kshirsagar, “A Text book of Engineering Physics”, S.Chand, 2014(Unit I, II, III, IV & V)
