Book Details

Engineering Physics

Engineering Physics

Published by uLektz

Course Code:15PHY22

Author:uLektz

University: Visvesvaraya Technological University, Karnataka (VTU)

Regulation:2015

Categories:Computer Science

Format : ico_bookePUB3 (DRM Protected)

Type :eBook

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Description :Engineering Physics of 15PHY22 covers the latest syllabus prescribed by Visvesvaraya Technological University, Karnataka (VTU) for regulation 2015. 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 MODERN PHYSICS AND QUANTUM MECHANICS

1.1 Blackbody radiation spectrum- Assumptions of quantum theory of radiation- Plank’s law, Weins law and Rayleigh Jeans law, for shorter and longer wavelength limits

1.2 Wave Particle dualism, deBroglie hypothesis, Compton Effect- Matter waves and their Characteristic properties

1.3 Definition of Phase velocity and group velocity-Relation between phase velocity and group velocity-Relation between group velocity and particle velocity

1.4 Heisenberg’s uncertainity principle and its application (Non-existence of electron in the nucleus)

1.5 Wave function, Properties and physical significance of wave function- Probability density and Normalization of wave function

1.6 Setting up of one dimensional time independent Schrodinger wave equation- Eigen values and Eigen functions

1.7 Application of Schrodinger wave equation for a particle in a potential well of infinite depth and for free particle

UNIT - II ELECTRICAL PROPERTIES OF MATERIALS

2.1 Free–electron concept (Drift velocity, Thermal velocity, Mean collision time, Mean free path, relaxation time)- Failure of classical free electron theory

2.2 Quantum free electron theory, Assumptions, Fermi factor, density of states (qualitative only) Fermi–Dirac Statistics- Expression for electrical conductivity based on quantum free electron theory- Merits of quantum free electron theory

2.3 Conductivity of Semi conducting materials- Concentration of electrons and holes in intrinsic semiconductors, law of mass action- Temperature dependence of resistivity in metals and superconducting materials

2.4 Effect of magnetic field (Meissner effect) - Type I and Type II superconductors -Temperature dependence of critical field

2.5 BCS theory (qualitative)-High temperature superconductors- Applications of superconductors – Maglev vehicles

UNIT – III LASERS AND OPTICAL FIBERS

3.1 Einstein’s coefficients (expression for energy density)- Requisites of a Laser system- Condition for laser action

3.2 Principle, Construction and working of CO2 laser and semiconductor Laser

3.3 Applications of Laser – Laser welding, cutting and drilling- Measurement of atmospheric pollutants

3.4 Holography–Principle of Recording and reconstruction of images

3.5 Propagation mechanism in optical fibers-Angle of acceptance. Numerical aperture-Types of optical fibers and modes of propagation

3.6 Attenuation, Block diagram discussion of point to point communication, applications

UNIT - IV CRYSTAL STRUCTURE

4.1 Space lattice, Bravais lattice–Unit cell, primitive cell- Lattice parameters, Crystal systems-Direction and planes in a crystal,Miller indices

4.2 Expression for inter – planar spacing, Co-ordination number-Atomic packing factors (SC,FCC,BCC)

4.3 Bragg’s law, Determination of crystal structure using Bragg’s X–ray difractometer - Polymorphism and Allotropy- Crystal Structure of Diamond

4.4 Qualitative discussion of Perovskites

UNIT - V SHOCK WAVES AND SCIENCE OF NANO MATERIALS

5.1 Definition of Mach number-Distinctions between- acoustic, ultrasonic, subsonic and supersonic waves- Description of a shock wave and its applications- Basics of conservation of mass, momentum and energy

5.2 Normal shock equations (Rankine-Hugoniot equations)-Method of creating shock waves in the laboratory using a shock tube-Description of hand operated Reddy shock tube and its characteristics.

5.3 Introduction to Nano Science-Density of states in 1D, 2D and 3D structures-Synthesis : Top–down and Bottom–up approach, Ball Milling and Sol–Gel methods

5.4 CNT – Properties-Synthesis: Arc discharge, Pyrolysis methods, Applications

5.5 Scanning Electron microscope: Principle, working and applications

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