Note: This syllabus is common for EEE, ECE, CSE, EIE, BME, IT, ETE, ECM, ICE, Civil, ME, AE, ME (M), MME, AU, Mining, Petroleum, CEE, ME (Nanotech).

ENGINEERING PHYSICS/ENGINEERING PHYSICS - I
B.Tech. I Year I Sem. L T/P/D C
Course Code: PH103BS 3 0/0/0 3

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Course Objectives:

• To understand interaction of light with matter through interference, diffraction and polarization.
• To able to distinguish ordinary light with a laser light and to realize propagation of light through optical fibers.
• To understand various crystal systems and there structures elaborately.
• To study various crystal imperfections and probing methods like X-RD.

Course outcomes: after completion of this course the student is able to

• Realize the importance of light phenomena in thin films and resolution.
• Learn principle, working of various laser systems and light propagation through optical fibers.
• Distinguish various crystal systems and understand atomic packing factor.
• Know the various defects in crystals.

UNIT-I

Interference: Coherence, division of amplitude and division of wave front, interference in thin films (transmitted and reflected light), Newton’s rings experiment.

Diffraction: Distinction between Fresnel and Fraunhoffer diffraction, diffraction due to single slit, N-slits, Diffraction grating experiment.

UNIT-II

Polarization: Introduction, Malus’s law, double refraction, Nicol prism, Quarter wave and half wave plates.

Lasers: Characteristics of lasers, spontaneous and stimulated emission of radiation, Einstein coefficients, population inversion, ruby laser, helium – neon laser, semi conductor laser, applications of lasers

UNIT-III

Fiber Optics: Principle of optical fiber, construction of fiber, acceptance angle and acceptance cone, numerical aperture, types of optical fibers: step index and graded index fibers, attenuation in optical fibers, applications of optical fibers in medicine and sensors.

UNIT-IV

Crystallography: Space lattice, unit cell and lattice parameters, crystal systems, Bravais lattices, atomic radius, co-ordination number and packing factor of SC, BCC, FCC, HCP and diamond, Miller indices, crystal planes and directions, inter planar spacing of orthogonal crystal systems.

UNIT-V

X-ray Diffraction and Defects in Crystals: Bragg’s law, X-ray diffraction methods: Laue method, powder method; point defects: vacancies, substitutional, interstitial, Frenkel and Schottky defects, line defects (qualitative) and Burger’s vector, surface defects: stacking faults, twin, tilt and grain boundaries.

Text Books:

1. Physics Vol. 2, Halliday, Resnick and Kramer John wiley and Sons, Edition 4.
2. Modern Engineering Physics, K. Vijaya Kumar and S. Chandra Lingam, S. Chand and Co. Pvt. Ltd.
3. Introduction to Solid State Physics, Charles Kittel, Wiley Student edition.

Reference Books:

1. X-Ray Crystallography, Phillips, John Wiley publishers.
2. Waves, Frank S Crawford Jr, Berkeley Physics course, Volume 3.
3. Solid State Physics, AJ Dekker, MacMilan Publishers.
4. Introduction to Crystallography, Phillips, John Wiley publishers.