PH2111 Engineering Physics I - SUBJECT CATALOG

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SYLLABUS:

PH2111                                ENGINEERING PHYSICS – I                         3     0   0   3

UNIT  I            ULTRASONICS                                                                                   9

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

UNIT  II            LASERS                                                                                            9

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).

UNIT  III           FIBER OPTICS & APPLICATIONS                                                    9

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.

UNIT  IV       QUANTUM PHYSICS                                                                             9

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.

UNIT  V           CRYSTAL PHYSICS                                                                           9

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.

TOTAL: 45 PERIODS

TEXT BOOKS:

1.   R. K. Gaur and S.C. Gupta, ‘Engineering Physics’ Dhanpat Rai Publications, New Delhi(2003)

2.   M.N. Avadhanulu and PG Kshirsagar, ‘A Text book of Engineering Physics’, S.Chand and company, Ltd., New Delhi, 2005.

REFERENCES:

1.   Serway  and  Jewett,  ‘Physics  for  Scientists  and  Engineers  with  Modern

th

Physics’, 6

Edition, Thomson Brooks/Cole, Indian reprint (2007)

2.   Rajendran,   V  and  Marikani  A,  ‘Engineering   Physics’  Tata  McGraw  Hill

Publications Ltd, III Edition, New Delhi, (2004).

3.   Palanisamy,   P.K.,   ‘Engineering   Physics’   Scitech   publications,   Chennai, (2007).

4.   Jayakumar. S, ‘Engineering Physics’, R.K. Publishers, Coimbatore, (2003).

5.   Chitra  Shadrach  and  Sivakumar  Vadivelu,  ‘Engineering  Physics’,  Pearson

Education, New Delhi, (2007).