COURSE DELIVERY PLAN - THEORY Page 1 of 6 DEPARTMENT OF APPLIED PHYSICS B.E/B.Tech/M.E/M.Tech : Common to All Branches PG Specialisation : NA Sub. Code / Sub. Name : PH16151 / ENGINEERING PHYSICS-I Unit : I-CRYSTAL PHYSICS Regulation: R2016 LP: PH16151 Rev. No: 01 Date: 11.7.2017 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 Diamond and graphite structures (qualitative treatment)- Crystal growth techniques solution, melt (Bridgman and Czochralski) and vapour growth techniques (qualitative) Objective: At the end of this unit, the students understand about the structure identification of engineering materials. 7-Ch.6 ; Pg.155-157 7-Ch.6 ; Pg.158-166 1 Classification of solids- crystalline solids (or) Amorphous solids, Differences between crystalline and amorphous materials. Concepts of Elementary Crystallography Unit Cell- Space Lattice-How is a crystal formed? 2 Crystallography Lattice parameters-bravais lattices Lattice Planes-Miller Indices Procedure for finding Miller Indices-Important features of Miller Indicesprocedure for drawing the plane for given Miller Indices (hkl) 3 Inter planar d spacing in a Cubic Lattice -Problems 7-Ch.6 ; Pg.167-169 4 Simple Crystal Structures Simple cubic structure (SC)- Body centred Cubic structure (BCC)-Face Centred Cubic Structure (FCC) 7-Ch.6 ; Pg.169-170 5 HCP- axial ratio (c/a ratio)-packing Density 9-Ch.5 ; Pg.144-146,Crystal Models 6 Diamond and Graphite Structures Diamond-Graphite 7 to Crystal Growth Solution Growth Low temperature solution growth Crystal Growth from Melt (High Temperature Solution Growth) Bridgman techniques-czochralski method 8 Vapour Growth techniques Physical Vapour Deposition (PVD)-Chemical Vapour Deposition (CVD) 9-Ch.5 ; Pg.148-149 10-Ch.1 ; Pg.1.39-1.45 10-Ch.1 ; Pg.1.47-1.50 9 Problems BB Characteristics of NaCl Unit Cell. Manufacturing of Microchip. * duration: 50 minutes
COURSE DELIVERY PLAN - THEORY Page 2 of 6 Unit : II - PROPERTIES OF MATTER AND THERMAL PHYSICS PROPERTIES OF MATTER AND THERMAL PHYSICS (9) Elasticity- Hooke s law - Relationship between three moduli of elasticity (qualitative) stress -strain diagram Poisson s ratio Factors affecting elasticity Bending moment Depression of a cantilever Young s modulus by uniform bending- I-shaped girders Modes of heat transfer- thermal conductivity- Newton s law of cooling - Linear heat flow Lee s disc method Radial heat flow Rubber tube method conduction through compound media (series and parallel) Objective: At the end of this unit, the students understand about the Physical and thermal properties of the materials. 10 11 12 13 14 15 16 17 18 PROPERTIES OF MATTER - Elasticity-stress and strain-elastic moduli-the Young s modulus (E)-The Bulk Modulus(K)-The rigidity modulus or shear modulus(g)- relation between the three moduli of elasticity E, K, and G The variation of Stress and Strain (stress -strain diagram) Poisson s ratio Factors affecting elasticity Bending Moment-Free end of a Cantilever -Theory Expression for bending moment-bending of a Cantilever -experiment Uniform Bending-Theory- Girders Uniform bending-experiment-i-shaped Girders THERMAL PHYSICS Modes of Transfer-Conduction-convection-radiation Newton s law of cooling-derivation of Newton s law of cooling- Experimental verification of Newton s law of cooling The Mechanism of Conduction in solids Thermal conductivity-theory of Linear Heat Flow through a Rod Determination of Thermal Conductivity Theory of thermal conductivity of poor conductors- Lee s Disc method Radiation Flow of Heat Radial flow of Heat through the sides of a tube-thermal conductivity of rubber Thermal Conduction through Compound Media Bodies in series-bodies in parallel- Problems 2-Ch.7 ; Pg.7.1-7.11 2-Ch.7 ; Pg.7.7 2-Ch.7 ; Pg.7.18-7.21 2-Ch.7 ; Pg.7.22 8-Ch.8 ; Pg.360-361,406 8-Ch.8 ; Pg.361-362 8-Ch.8 ; Pg.369 8-Ch.8 ; Pg.377-378 10-Ch.3 ; Pg.3.32-3.36 Practical Applications of conduction of heat-davy s Safety lamp * duration: 50 mins
COURSE DELIVERY PLAN - THEORY Page 3 of 6 Unit : III- QUANTUM PHYSICS 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 Properties of Matter waves G.P Thomson experiment -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. Objective: The students understand about the physical significance of wave function and various types of microscope and its applications. 19 20 21 22 23 24 25 What is meant by quantum physics? Concept of a Black Body What is a perfect black body?- construction of a black body Theory of Black Body Radiation Stefan s Boltzmann s law-wien s displacement law-rayleigh-jean s law-planck s quantum theory-deduction of weins s displacement law- Deduction of Rayleigh Jean s law The Compton Effect-Theory Experimental verification of Compton s theory Matter waves-de Broglie wavelength De Broglie wavelength associated with electrons-characteristics of matter waves Experimental Study of Matter Wave G.P.Thomson Experiment Schrödinger wave equation Schrödinger s wave equation Time independent and time dependent equations- physical significance of wave function- Particle in a one dimensional box Electron Microscope Principle-Construction and working-uses-limitations Scanning Electron Microscope (SEM) Construction and working of a typical SEM Specimen interaction-applications Transmission Electron Microscopy (TEM) Constructing and working of a typical TEM-Thin specimen interactions used in TEM-Applications-Limitations of Transmission electron microscope 2-Ch.56 ; Pg.56.1-56.2 2-Ch.56 ; Pg.56.2 2-Ch.56 ; Pg.56.13-56.15 2-Ch.57 ; Pg.57.1-57.5,57.16 2-Ch.57 ; Pg.57.9-57.10, 57.15-57.17 2-Ch.57 ; Pg.57.18-57.19 9-Ch.4 ; Pg.116-119 26 PROBLEMS BB * duration: 50 mins
COURSE DELIVERY PLAN - THEORY Page 4 of 6 Unit : IV- ACOUSTICS AND ULTRASONICS ACOUSTICS AND ULTRASONICS (9) Classification of Sound- decibel- Weber Fechner law Sabine s formula- derivation using growth and decay method Absorption Coefficient and its determination factors affecting acoustics of buildings and their remedies. Production of ultrasonics by magnetostriction and piezoelectric methods - acoustic grating Non Destructive Testing pulse echo system through transmission and reflection modes - A,B and C scan displays, Medical applications - Sonogram Objective: At the end of this unit, the students will understand about the production and detection of ultrasonic waves and its application in various fields. 27 28 ACOUSTICS Classification of sound-musical sound-noise Characteristics of Musical Sounds Pitch or frequency-loudness or Intensity-Measurement of Intensity leveldecibel-physical significance of 1 decibel change-weber-fechner law- Quality or timbre Sound intensity in a room Reverberation-Reverberation time-absorption coefficient Sabines s Formula (Growth and Decay Method) 7-Ch.5 ; Pg.133-135 7-Ch.5 ; Pg.136-140 29 30 31 32 33 34 35 Measurement of Sound Absorption Coefficient Factors affecting the Architectural Acoustics and their Remedies- Applications of Acoustics ULTRASONICS -Ultrasonic Production-Magnetostriction Method Piezoelectric method Piezo electric effect-inverse Piezo electric effect-piezoelectric materialspiezoelectric oscillator -Properties of Ultrasonic waves-acoustic Grating Formation Applications of Ultrasonic waves Non Destructive Testing ultrasonic inspection-ultrasonic flaw detector pulse echo system Scan Displays A-Scan Display-B-Scan Display-C-Scan Display-Comparison Applications of Ultrasaonic NDT Advantages of Ultrasonics, NDT, Limitations of ultrasonic NDT Medical Applications of Ultrasonic waves Sonogram 7-Ch.5 ; Pg.140-141 7-Ch.3 ; Pg.103-104 7-Ch.3 ; Pg:104, 111 7-Ch.3 ; Pg: 111 7-Ch.4 ; Pg: 119-120,128 7-Ch.1 ; Pg: 12-13 7-Ch.1 ; Pg: 14 7-Ch.1 ; Pg: 14-15 36 Problems BB
COURSE DELIVERY PLAN - THEORY Page 5 of 6 * duration: 50 mins Unit : V- PHOTONICS AND FIBRE OPTICS PHOTONICS AND FIBRE OPTICS (9) Spontaneous and stimulated emission- Population inversion -Einstein s A and B coefficients - derivation. Types of lasers Nd: YAG, CO 2, Semiconductor lasers (homojunction & heterojunction)- Industrial and Medical Applications. Principle and propagation of light in optical fibres Numerical aperture and Acceptance angle - Types of optical fibres (material, refractive index, mode) attenuation, dispersion, bending Fibre Optical Communication system (Block diagram) - Active and passive fibre sensors- Endoscope. Objective: This unit enhances the knowledge of students in knowing more about the types of laser and its applications and gains the basic knowledge in optical fibers. 37 38 39 40 41 42 PHOTONICS Spontaneous and stimulated emission of Radiation- Einstein s A and B coefficients- Population inversion-creation of Population inversion Pumping Mechanisms Optical Resonator- Characteristics of Laser Laser systems (Types of Lasers)- Nd-YAG Laser CO 2, Semiconductor lasers (homojunction & heterojunction) Industrial applications of LASERS Lasers in metrology-lasers in material processing (Manufacturing industry)- Medical Applications of Lasers FIBRE OPTICS Structure of optical Fibre-Concept of Total Internal lection- Acceptance Angle - Numerical Aperture NA in terms of Δ Types of optical Fibers Based on material-modes-single and Multimode fibers-refractive index- Step index fiber-propagation of light in step index fiber-graded index fiber-propagation of light in graded index fiber-formation of modes in optical fibers 7-Ch.15; Pg: 537-545 9-Ch.2; Pg:38-39 7-Ch.15; Pg: 550-551 7-Ch.15; Pg: 552-554 9-Ch.3; Pg:53-59 9-Ch.3; Pg:59-64 43 44 45 Fibre Optic Communication System(Block Diagram)-Sensors- Displacement & Temperature Sensor Dispersion Attenuation (Losses in Fibers)-Fiber optic Medical Endoscopy-Some applications of fiber-optic endoscopy. Problems 9-Ch.3; Pg:73-74,80-81 9-Ch.3; Pg:67-71 BB * duration: 50 mins
COURSE DELIVERY PLAN - THEORY Page 6 of 6 TEXT BOOKS: 1. Arumugam M. Engineering Physics. Anuradha publishers, 2010 2. Gaur R.K. and Gupta S.L. Engineering Physics. Dhanpat Rai publishers, 2009 3. S.O.Pillai, A Text Book of Engineering Physics,2015 REFERENCES: 4. Searls and Zemansky. University Physics, 2009 5. Gasiorowicz, Stephen, Quantum Physics, John Wiley & Sons, 2000 6. Marikani A. Engineering Physics. PHI Learning Pvt., India, 2009 7. Pandey B.K., Chaturvedi. S, Engineering Physics, Cengage Learning India Pvt. Ltd, 2012. 8. Brijlal, Subramanyam, Heat and Thermodynamics, S Chand, 2000 9. Avadhanulu M N, Engineering Physics, S Chand, 2010 10. Palanisamy P.K. Engineering Physics. SCITECH Publications, 2011 Prepared by Approved by Signature Name Ms.G.Bharathy Dr.A. Bhaskaran Designation AP Professor and Head Date Remarks *: Remarks *: * If the same lesson plan is followed in the subsequent semester/year it should be mentioned and signed by the Faculty and the HOD