Physics I (Ph101) syllabus

UNIT 1 CRYSTAL PHYSICS 9
Introduction – Space lattice – unit cell – Bravais lattices – Miller Indices for cubic crystals – Inter planar spacing in cubic lattice – simple crystal structures – SC, BCC, FCC and HCP structures – atomic radius, coordination number, Packing factor calculation – crystal imperfections – point, line and surface defects – Burger vector.

UNIT II QUANTUM PHYSICS 9
Black body radiation – Planck’s theory of radiation – deduction of Wien’s displacement law and Rayleigh – Jeans law from Planck’s theory – Compton effect – Theory and experimental verification – Dual nature of matter – De Broglie’s wavelength- physical significance of wave function – Schroedinger wave equation – time independent and time dependent wave equation – particle in one dimensional box.

UNIT III WAVE OPTICS 9
Polarization – double refraction – Theory of plane polarized,circularly polarized and elliptically polarized light – Quarter wave plate, Half wave plate – production and detection of plane, circularly and elliptically polarized lights – photoelasticity – photo elastic effect – stress optic law – effect of stressed model in a plane polariscope – isoclinics and isochromatic fringes –photo elastic bench.

UNIT IV ULTROSONICS AND NDT 9
Ultrasonics – production – magnetostriction and piezo electric methods – properties of ultrasonic waves – Detection of ultrasonic waves – Applications – Acoustical grating – SONAR – depth of sea – measurement of velocity of blood flow – Non Destructive Testing (NDT) methods – Liquid penetrant method – ultrasonic flaw detector – A,B and C scan displays – X – ray radiography and fluoroscopy.
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UNIT V LASER AND FIBRE OPTICS 9
Characteristics of laser light – Einstein’s A & B coefficients (derivation) – Nd:YAG laser – He -Ne laser – CO2 laser – homo and hetero junction semiconductor lasers – applications – material processing and holography (construction and reconstruction of hologram) – Optical fibre – principle of propagation of light in optical fibers – Numerical aperture and acceptance angle – single and multimode fibres – step index and graded index fibres – applications – fibre optic communication system (block diagram only)- fibre optic sensors (displacement and pressure sensors (qualitative).

TEXT BOOKS:
1. Avadhanulu M.N., Engineering Physics, 1st Edition, S.Chand & Company Ltd., New Delhi, 2007.
2. Gaur R.K. and Gupta S.L., Engineering Physics, 8th edition, Dhanpat Rai Publications (P) Ltd., New Delhi, 2003.

REFERENCES:
1. Uma Mukherji, Engineering Physics, Narosa Publishing House, New Delhi, 2007.