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ENGINEERING PHYSICS

by Mallikarjun Anna
Type: NoteInstitute: JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY Offline Downloads: 673Views: 22005Uploaded: 7 months agoAdd to Favourite

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Mallikarjun Anna
Mallikarjun Anna
N ENGINEERING PHYSICS LECTURE NOTES MNhhhkkkjmn SANGEETHA MAHENDRAKAR Asst. Professor Of Physics GNITC, Hyderabad. 1|ENGINEERING PHYSICS
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD I Year B.Tech. ENGINEERING PHYSICS UNIT-I 1. Crystallography: Ionic Bond, Covalent Bond, Metallic Bond, Hydrogen Bond, Vander-Waal's Bond, Calculation of Cohesive Energy of a diatomic molecule;Space Lattice, Unit Cell, Lattice Parameters, Crystal Systems,Bravais Lattices, , Atomic Radius, Co-ordination Number and Packing Factor of SC, BCC, FCC, Miller Indices, Crystal Planes and Directions, Inter Planar Spacing of Orthogonal CrystalSystems, Structures of Diamond and NaCl. 2. X-ray Diffraction & Defects in Crystals:Bragg's Law, X- ray Diffraction methods: Laue Method, Powder Method; Point Defects: Vacancies, Substitutional, Interstitial, Frenkel and Schottky Defects,line Defects (Qualitative), Burger's Vector. UNIT-II 3.Principles of Quantum Mechanics: Waves and Particles, de Broglie Hypothesis, Matter Waves,Davisson and Germer's Experiment, Heisenberg's Uncertainty Principle,Schrödinger's Time Independent Wave Equation - Physical Significance of the Wave Function – Infinite squqre well Potential extension to three dimensions. 4. Elements of Statistical Mechanics& Electron theory of Solids:Phase space, Ensembles, Micro Canonical, Canonical and Grand Canonical Ensembles - Maxwell-Boltzman, Bose-Einstein and Fermi-Dirac Statistics(Qualitative Treatment), Concept of Electron Gas, Density of States, Fermi Energy;Electron in a periodic Potential, Bloch Theorem, Kronig- Penny Model (Qualitative Treatment), E-K curve Origin of Energy Band Formation in Solids, .Concept of Effective Mass of an Electron,Classification of Materials into Conductors, Semi Conductors & Insulators. UNIT- III 5. Dielectric Properties: Electric Dipole, Dipole Moment, Dielectric Constant, Polarizability, ElectricSusceptibility, Displacement Vector, Electronic, Ionic and Orientation Polarizations and Calculation ofPolarizabilities: Ionic and Electronic - Internal Fields in Solids, Clausius - Mossotti Equation, Piezo-electricity, Pyro-electricity and Ferroelectricity. 6. Magnetic Properties& Superconducting Properties: Permeability, Field Intensity, Magnetic Field Induction, Magnetization, MagneticSusceptibility, Origin of Magnetic Moment, Bohr Magneton, Classification of Dia, Para and Ferro MagneticMaterials on the basis of Magnetic Moment, Domain Theory of Ferro Magnetism on the basis of HysteresisCurve, Soft and Hard Magnetic Materials, Properties of Anti-Ferro and Ferri Magnetic Materials, Ferrites and their Applications; Superconductivity, Meissner Effect, Effect of Magnetic field, Type-I and Type-II Superconductors, Applications of Superconductors. UNIT-IV 7. Optics: Interference-Interference in thin films (Reflected light), Newton rings experiment-Fraunhofer diffraction due to single slit, N-slits, Diffraction grating experiment, Double refraction- construction and working, Nicol’s prism. 8. Lasers& Fiber Optics: Characteristics of Lasers, Spontaneous and Stimulated Emission of Radiation, Einstein's Coefficients and Relation between them,Population Inversion, Lasing Action Ruby Laser,Helium-Neon Laser, Semiconductor Diode Laser, Applications of Lasers; Principle of Optical Fiber, Construction of fiber, Acceptance Angle and Acceptance Cone, Numerical Aperture,Types of Optical Fibers: Step Index and Graded Index Profiles, Attenuation in Optical Fibers, Application of OpticalFiber in communication systems. 2|ENGINEERING PHYSICS
UNIT-V 9. Semiconductor Physics: Fermi Level in Intrinsic and Extrinsic Semiconductors, Calculation of Carrier Concentration in Intrinsic and Extrinsic Semiconductors,Direct & Indirect Band Gap Semiconductors, Hall Effect. Formation of PN Junction, Open Circuit PN Junction, EnergyDiagram of PN Diode, Diode Equation , I-V Characteristics of PN Junction Diode, Solar cell, LED and Photo Diodes. Acoustics of Buildings & Acoustic Quieting:Reverberation and Time of Reverberation, Sabine's Formula for Reverberation Time,Measurement of Absorption Coefficient of a Material, Factors Affecting the Architectural Acoustics and their Remedies. 10.Nanotechnology: Origin of Nanotechnology, Nano Scale, Surface to Volume Ratio, QuantumConfinement, BottomupFabrication:Sol-gel,Top-down Fabrication:Chemical Vapour Deposition, Characterization byTEM. TEXT BOOKS: 1. Engineering Physics, K. Malik, A. K. Singh, Tata Mc Graw Hill Book Publishers. 2. Engineering Physics, V. Rajendran, Tata Mc Graw Hill Book Publishers. REFERENCES: 1. Fundamentals of Physics, David Halliday, Robert Resnick, Jearl Walker by John Wiley & Sons 2. Sears and Zemansky's University Physics (10th Edition) by Hugh D. Young Roger A. Freedman, T. R.Sandin, A. Lewis FordAddison-Wesley Publishers; 3. Applied Physics for Engineers – P. Madhusudana Rao (Academic Publishing company, 2013) 4. Solid State Physics – M. Armugam (Anuradha Publications). 5. Modern Physics – R. Murugeshan & K. Siva Prasath – S. Chand & Co. (for Statistical Mechanics). 6. A Text Book of Engg Physics– M. N. Avadhanulu & P.G.Khsirsagar– S.Chand & Co(foracoustics). 7. Modern Physics by K. Vijaya Kumar, S. Chandralingam: S. Chand & Co.Ltd 8. Nanotechnology – M.Ratner & D. Ratner (Pearson Ed.). 9. Introduction to Solid State Physics – C. Kittel (Wiley Eastern). 10. Solid State Physics – A.J. Dekker (Macmillan). 11. Applied Physics – Mani Naidu Pearson Education. 3|ENGINEERING PHYSICS
CONTENTS UNIT-I Page No. Chapter-1: Crystallography-----------------------------------------------------------05-33 Chapter-2: X-ray Diffraction & Defects in Crystals ------------------------------34-50 UNIT- II Chapter-3: Principles of Quantum Mechanics -----------------------------------51-63 Chapter-4: Elements of Statistical Mechanics& Electron theory of Solids -------64-82 UNIT- III Chapter-5: Dielectric Properties -------------------------------------------------83-93 Chapter-6: Magnetic Properties & Superconducting Properties ----------------94-109 UNIT- IV Chapter-7: Optics ---------------------------------------------------------------------110-126 Chapter-8: Lasers & Fiber Optics ----------------------------------------------------127-151 UNIT- V Chapter-9: Semiconductor Physics,Acoustics of Buildings&Acoustic Quieting--152-186 Chapter-10: Nanotechnology --------------------------------------------------------187-200 *JNTUH Previous Mid Papers *Model Mid Papers (For the academic year 2013-14) *JNTUH Previous External Papers *Model External Papers (New pattern, for the academic year 2013-14)-------- 200-216 4|ENGINEERING PHYSICS

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