Engineering Physics

 Course Code : R13203 Author : ulektz University : JNTU Kakinada Regulation : 2016 Categories : Civil Format : ePUB3 (DRM Protected) Type : eBook

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Description :Engineering Physics of R13203 covers the latest syllabus prescribed by JNTU Kakinada for regulation 2016. Author: ulektz, Published by uLektz Learning Solutions Private Limited.

Note : No printed book. Only ebook. Access eBook using uLektz apps for Android, iOS and Windows Desktop PC.

Topics
UNIT-I PHYSICAL OPTICS FOR INSTRUMENTS

1.1 INTERFACE : Introduction – Interference in thin films by reflection – Newton’s rings

1.2 DIFFRACTION : Introduction – Fraunhofer diffraction - Fraunhofer diffraction at double slit (qualitative)

1.3 Diffraction grating – Grating spectrum – Resolving power of a grating – Rayleigh’s criterion for resolving power

1.4 POLARIZATION : Introduction – Types of Polarization – Double refraction – Quarter wave plate ad Half Wave plate

UNIT-II COHERENT OPTICS – COMMUNICATIONS AND STRUCTURE OF MATERIALS

2.1 LASERS: Introduction-coherent sources-Characteristics of lasers-Spontaneous and stimulated emission of radiation

2.2 LASERS: Einstein’s coefficients-Population inversion-Three and Four level pumping schemes-Ruby laser –Helium Neon laser

2.3 FIBRE OPTICS: Introduction – Principle of Optical Fiber -Acceptance angle and acceptance cone ,Numerical aperture

2.4 CRYSTALLOGRAPHY : Introduction -Space lattice -Basis - Unit Cell -Lattice parameters – Bravis lattices - Crystal systems – Structures and packing fractions of SC,BCC and FCC

2.5 X-RAY DIFFRACTION TECHNIQUES : Directions and planes in crystals -Miller indices – Separation between successive [h k l] planes -Bragg’s law

UNIT-III MAGNETIC, ELECTRIC FIELD RESPONSE OF MATERIALS & SUPERCONDUCTIVITY

3.1 MAGNETIC PROPERTIES : Magnetic permeability -Magnetization-Origin or magnetic moment - Classification of Magnetic materials-Dia, para, Ferro, anti ferro and ferri-magnetism -Hysteresis curve

3.2 DIELECTRIC PROPERTIES: Introduction -Dielectric constant-Electronic, ionic and orientational polarization

3.3 DIELECTRIC PROPERTIES: Internal fields - Clausius -Mossotti equation -Dielectric loss, Breakdown and Strength

3.4 SUPERCONDUCTIVITY: General properties -Meissner effect -Type I and Type II superconductors -BCS Theory

3.5 SUPERCONDUCTIVITY: Flux quantization London’s equations -Penetration depth -DC and AC Josephson effects -SQUIDS

UNIT-IV ACOUSTICS AND EM – FIELDS

4.1 ACOUSTICS: Sound absorption, Absorption coefficient and its measurements,Reverberations time – Sabine’s formula,Eyring’s formula

4.2 ELECTRO-MAGNETIC FIELDS: Gauss and stokes theorems (qualitative) - Fundamental laws of electromagnetism -Maxwell’s Electromagnetic Equations (Calculus approach)

UNIT-V QUANTUM MECHANICS FOR ELECTRONIC TRANSPORT

5.1 QUANTUM MECHANICS: Introduction to matter waves - Schrodinger Time Independent and Time Dependent wave equations - Particle in a box

5.2 FREE ELECTRON THEORY: Classical free electron theory - electrical conductivity -Mean free path –Relaxation time and drifty velocity -Quantum free electron theory -Fermi – Dirac (analytical) and its dependence on temperature -Fermi energy – density of states – derivations for current density

5.3 BAND THEORY OF SOLIDS: Bloch theorem (qualitative) -Kronig – Penney model – Origin of energy band formation in solids -Classification of materials into conductors, semi – conductors & insulators – Concepts of effective mass of electron - concept of hole

UNIT-VI SEMICONDUCTOR PHYSICS

6.1 Introduction – Intrinsic semiconductor and carrier concentration -Equation for conductivity

6.2 Extrinsic semiconductor and carrier concentration -Drift and diffusion-Einstein’s equation

6.3 Hall Effect -Direct & indirect band gap semiconductors

6.4 Electronic transport Mechanism for LEDs -Photo conductors and solar cells