PH2111 ENGINEERING PHYSICS – I lecturer notes common for all First Year Engineering students - by R.Anirudhan

PH2111 ENGINEERING PHYSICS – I  lecturer notes common for all First Year Engineering students



PH2111 Lecture Notes 




Syllabus :


ULTRASONICS     
 Introduction – Production – magnetostriction effect – magnetostriction generator- piezoelectric effect – piezoelectric generator- Detection of ultrasonic waves properties – Cavitations – Velocity measurement – acoustic grating – Industrial applications – drilling, welding, soldering and cleaning – SONAR – Non Destructive Testing – pulse echo system through transmission and reflection modes -  A,B and C –scan displays, Medical applications – Sonograms.




LASERS
 Introduction – Principle of Spontaneous emission and stimulated emission. Population inversion, pumping. Einsteins A and B coeffcients  – derivation. Types of lasers – He-Ne, CO2 , Nd-YAG, Semiconductor lasers (homojunction & heterojunction) Qualitative Industrial Applications – Lasers in welding, heat treatment, cutting – Medical applications – Holography (construction & reconstruction).


FIBER OPTICS & APPLICATIONS 
Principle and propagation of light in optical fibres – Numerical aperture and Acceptance angle – Types of optical fibres (material, refractive index, mode) – Double crucible  technique of fibre drawing – Splicing, Loss in optical fibre – attenuation, dispersion, bending – Fibre optical communication system (Block diagram) – Light sources – Detectors – Fibre  optic sensors – temperature & displacement -  Endoscope.


QUANTUM PHYSICS 
Black body radiation – Planck’s  theory (derivation) – Deduction of Wien’s displacement law and Rayleigh – Jeans’ Law from Planck’s theory – Compton effect. Theory and experimental verification – Matter waves – Schrödinger’s wave equation – Time independent and time dependent equations – Physical significance of wave function – Particle in a one dimensional box – Electron microscope – Scanning electron microscope – Transmission electron microscope.


CRYSTAL PHYSICS
 Lattice – Unit cell – Bravais lattice – Lattice planes – Miller indices – d spacing in cubic lattice – Calculation of number of atoms per unit cell – Atomic radius – Coordination number – Packing factor for SC, BCC, FCC and HCP structures – NaCl, ZnS, diamond and graphite structures – Polymorphism and allotropy – Crystal defects – point, line and surface defects- Burger vector.




Click The Below Link To Download the notes for all the five units

UNIT  I  ULTRASONICSUNIT  II  LASERSUNIT III  FIBER OPTICS & APPLICATIONS                                                   UNIT IV QUANTUM PHYSICS                                                                 UNIT V  CRYSTAL PHYSICS                                                                            


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