Engineering Physics

Types of Stress and Strain
Hooke's Law
Types of Moduli of Elasticity
Factors affecting Elasticity
Bending of Beams
Modes of Heat Transer
Lee's Disc Method for Bad Conductors
Radial flow of heat

UNIT II : WAVES AND FIBER OPTICS

Characteristics of Laser
Principle of Spontaneous and Stimulated emission - Einstein�s Quantum theory of radiation
Principle of Laser action and Methods of pumping action
Nd: YAG laser: Principle, Construction, Working, Characteristics, Advantages, Disadvantages and Applications
CO2 Molecular gas laser: Principle, Construction, Working, Characteristics, Advantages, Disadvantages and Applications
Solid State diode lasers
Semiconductor Diode laser: Principle, Construction, Working, Characteristics, Advantages, Disadvantages and Applications
Hetro Junction Laser: Principle, Construction, Working, Characteristics, Advantages, Disadvantages and Applications
Fiber Optics and Fiber Construction
Types of Optical Fibers
Difference between Step Index fiber and Graded Index fiber
The Fiber Optic Communication System: Principle, Working, and Advantages
Double Crucible Method
Types of Fiber Optic Sensors
Temperature Fiber Optic Sensor: Principle, Description and Working
Displacement Fiber Optic Sensor (Extrinsic Sensor): Principle, Description and Working
Medical Endoscope - Fiber Optic: Construction and working
Losses in Optical Fibers
Principle of operation of a Photo Detector
PIN Photo Diode
Light Emitting Diodes: Principle, Construction, Working, Advantages and Disadvantages
Important Short Questions and Answers: Photonics and fibre Optics

UNIT III : THERMAL PHYSICS

UNIT IV : QUANTUM PHYSICS

Quantum Physics
Important Short Question and Answers: Quantum Physics
Black Body Radiation
Planck's Hypothesis
Theory Compton Effect
Experimental Verification of Compton Effect
Dual Nature of Radiation (Light) And Matter (Particles) - Matter Waves
Schroedinger wave equation
Electron microscope - Principle, Construction, Working, Advantages and Disadvantages
Scanning electron microscope - Principle, Construction, Working, Advantages and Disadvantages
Transmission Electron microscope - Principle, Construction, Working, Advantages and Disadvantages

UNIT V : CRYSTAL PHYSICS

Crystalllography
Lattice Parameters or Unit Cell Parameters
Bravais Space Lattice
Lattice Planes
Miller Indices - Procedure for finding and Important Features
Separation between Lattice Planes in a cubic Crystal
Characteristics of the Unit Cell
Body centered cubic(BCC) Structure
Face centered cubic (FCC) Structure
Hexagonal Closely Packed Structure(HCP)
Properties of some Crystal Structure - Sodium choride, Diamond cubic
Crystal growth - Solidification and Crystallization
Czochralski technique
Bridgeman Technique
Low temperature solution growth : Slow cooling and Slow evaporation method
Epitaxial growth

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