PH2111-ENGINEERING PHYSICS – I
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.
REFERENCE
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.
Reference Books
1.Serway and Jewett, ‘Physics for Scientists and Engineers
with Modern Physics’, 6 th 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).