ENGINEERING AND TECHNOLOGY DEPARTMENT OF PHYSICS AND NANOTECHNOLOGY COURSE PLAN

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1 ENGINEERING AND TECHNOLOGY DEPARTMENT OF PHYSICS AND NANOTECHNOLOGY COURSE PLAN Course Code : PY1001 Course Title : PHYSICS Semester : I Course Time : JULY NOVEMBER-2014 Location : S.R.M.UNIVERSITY Objectives: The purpose this course is to provide an understanding physical concepts and underlying various and technological applications. In addition, the course is expected to develop scientific temperament and analytical skill in students, to enable them logically tackle complex problems in their chosen area application Assessment Details: Cycle Test I : 10 Marks Cycle Test II : 10 Marks Model Exam : 20 Marks Surprise Test : 5 Marks Attendance : 5 Marks

2 Outcomes Students who have successfully completed this course should Instruction Objective Program outcome 1. To understand the general scientific concepts required for technology 2. To apply the Physics concepts in solving problems 3. To educate scientifically the new developments in and technology 4. To emphasize the significance Green technology through Physics principles a) An ability to apply mathematics, science, and skills, and for ethical, health Detailed Session Plan UNIT I MECHANICAL PROPERTIES OF SOLIDS AND ACOUSTICS Mechanical properties solids: Stress-strain relationship Hooke s law Torsional Pendulum Young s modulus by cantilever Uniform and non-uniform bending Stress-strain diagram for various materials Ductile and brittle materials Mechanical properties Engineering materials (Tensile strength, Hardness, Fatigue, Impact strength, Creep) Fracture Types fracture (Elementary ideas). Acoustics: Intensity Loudness Absorption coefficient and its determination Reverberation Reverberation time Factors affecting acoustics buildings and their remedies Sources and impacts noise Sound level meter Strategies on controlling noise pollution Ultrasonic waves and properties Methods Ultrasonic production (Magnetostriction and Piezoelectric) Applications Ultrasonics in Engineering and medicine. Session No. Topics to be covered Ref Instruction Objective Program Outcome

3 1 Terms/explanations; Elasticity/plasticity materials; Types forces, stress/ strain, Hooke s law, Poisson s ratio, Elastic moduli/limit, Microscopic view material strength, Torsion pendulum Wole 2 Terms/Explanations; Young s modulus by cantilever Bending moment a beam, uniform/non uniform bending, 3 Terms/Explanations; Sress- Strain relation for various materials Ductile materials Brittle materials 4 Explanations; Mechanical properties Engineering materials Tensile strength Hardness Fatigue Impact strength Creep 5 Explanations; Fracture Types fracture Acoustics Definitions, Intensity Loudness Soboyejo, Mechanica l Properties Engineered Materials, Marcel Dekker Inc., 2003 e) To understan d the general scientific concepts required for technolog y 6 Terms/Explanations; Sound absorption co efficient and its measurements Reverberation, Sabine s formula for reverberation time Factors affecting Acoustics Buildings Solving numerical problems Frank Fahy, Foundatio ns Engineering

4 7 Terms/Explanations; Definitions, sources noise, and their impact noise on human animals/plants, Measuring sound pressure level and instrumentation using sound level meter Noise control (strategic) technology 8 Explanations; Ultrasonics, properties ultrasonic waves Different methods 9 Explanations; producing ultrasonic waves (Peizo/Magneto strictio n) and their circuits Applications ultrasonics in Engineering and Medicine. Solving numerical problems Acoustics, Elsevier Academic Press, 2005 UNIT II ELECTROMAGNETIC WAVES, CIRCUITS AND APPLICATIONS (9 hours) Del operator grad, div, curl and their physical significances displacement current Maxwell s equations (derivation) Wave equation for electromagnetic waves Propagation in free space Poynting theorem Characteristic Transverse electric and magnetic waves Skin depth Rectangular and circular waveguides High powered vacuum-based cavity magnetrons Applications including radars, microwave oven and lighting systems. Session No. Topics to be covered Ref Instruction Objective Program Outcome 10 Terms/explanations; Electrostatics, Coulomb s inverse square law, Electric field, Electrostatic potential, Electric flux, Electric lines force, Gauss law. Magnetostatics, David J. Griffiths, Introduction 2. To apply the Physics concepts in solving problems

5 Magnetic dipole, Magnetic flux, magnetic field intensity, Relation between μr and χ, Bohr Magneton (μb), Current densities. to electrodynamic s, 3 rd ed., Prentice Hall, Terms/Explanations; Biot Savart s law, Ampere s circuital law, Faraday s law electromagnetic induction, EM waves, Divergence, Curl and Gradient operations in vector calculus. 12 Issues Maxwell s equations Derivations four laws Importance such laws 13 Terms/Explanations; Maxwell s equations in free space Plane electromagnetic wave equations. e)an ability to identify, problems 14 Issues EM waves Characteristic Impedance Role Poynting vector. CYCLE TEST I 15 Terms/explanations; Characteristic Transverse electric and magnetic waves Wave guide and its role Different modes wave transmission

6 16 Explanations; Types waveguides Rectangular and Circular waveguides. Solving numerical problems 17 Terms/explanations; Broad range electromagnetic spectrum and applications Micro waves and its properties, High powered vacuumbased cavity magnetrons 18 Applications microwaves radars microwave oven lighting systems UNIT III LASERS AND FIBER OPTICS Lasers: Characteristics Lasers Einstein s coefficients and their relations Lasing action Working principle and components CO 2 Laser, Nd-YAG Laser, Semiconductor diode Laser, Excimer Laser and Free electron Laser Applications in Remote sensing, holography and optical switching Mechanism Laser cooling and trapping. Fiber Optics: Principle Optical fiber Acceptance angle and acceptance cone Numerical aperture V-number Types optical fibers (Material, Refractive index and mode) Photonic crystal fibers Fiber optic communication Fiber optic sensors.. Session No. Topics to be covered Ref Instruction Objective Program Outcome 19 Issues Laser; Acronym Laser, history, basic principle Lasers (gain/feedback) Population inversion, Laser level Characteristics Laser Alberto Sona, Lasers and 3. To educate scientifically the new developments in and technology for

7 their applications, Gordon and Breach Science Publishers Ltd., Terms/explanations; Different types lasers (CO2 Laser, Nd YAG laser) Essential components Laser, construction and working Energy level diagrams for 21 Issues types Lasers; Semiconductor Lasers Excimer laser Free electron laser (FEL), X ray FEL and its applications. for 22 Applications lasers Remote sensing Holography- Construction/reconstructio n Holographic mass storage for 23 Applications lasers optical switching Mechanism Laser cooling and trapping. for 24 Terms/explanations; Fiber optics, principle

8 fiber optics, design optical fiber Propagation characteristics optical fiber for 25 Terms/explanations; Acceptance angle and acceptance cone Numerical aperture V- number for 26 Issues optical fiber Different types Various modes optical transmission Solving numerical problems. for 27 Issues Applications Optical fiber system Optical fiber communication system Advantages/limitations Fiber optic sensors for CYCLE TEST- II UNIT IV QUANTUM MECHANICS AND CRYSTAL PHYSICS Quantum mechanics: Inadequacies Classical Mechanics Duality nature electromagnetic radiation De Broglie hypothesis for matter waves Heisenberg s uncertainty principles Schrödinger s wave equation Particle confinement in 1D box (Infinite Square well potential). Crystal Physics: Crystal directions Planes and Miller indices Symmetry elements Quasi crystals Diamond and HCP crystal

9 structure Packing factor Reciprocal lattice Diffraction X-rays by crystal planes Laue method and powder method Imperfections in crystals. Session No. Topics to be covered Ref Instruction Objective Program Outcome 28 Terms/explanations; Inadequacies Classical Mechanics Duality nature electromagnetic radiation De Broglie hypothesis for matter waves 29 Terms/explanations; Heisenberg s uncertainty principles Schrödinger s wave equation(time dependent & Independent) 30 Terms/explanations; Applications Schrödinger s wave equation Particle confinement in 1D box 31 Issues Crystallographic physics; Miller indices, determination such indices Crystal directions, desirable features Inter planner distance between the lattice planes. 32 Issues Crystal symmetry; Centre symmetry, plane symmetry, Axis symmetry, Rotational (inverse axis), translational crystals, Examples/illustrations symmetries Leonard. I. Schiff, Quantum Mechanics, Third Edition, Tata McGraw Hill, Charles Kittel, "Introductio n to Solid State Physics", Wiley India Pvt. Ltd, 7 th ed., To understand the general scientific concepts required for technology 33 Issues crystal structures materials; Quasi crystals Important crystal structures Diamond cubic structure

10 34 Solving numerical problems Issues crystal structures materials; Important crystal structures HCP crystal structure Reciprocal lattice 35 Issues crystal structures materials; Diffraction X-rays by crystal planes Laue method powder method 36 Terms/explanations; Crystal defects/imperfections (Point, line, surface and volume imperfections) Illustrations UNIT V GREEN ENERGY PHYSICS (9 hours) Introduction to Green energy Solar energy: Energy conversion by photovoltaic principle Solar cells Wind energy: Basic components and principle wind energy conversion systems Ocean energy: Wave energy Wave energy conversion devices Tidal energy single and double basin tidal power plants Ocean Thermal Electric Conversion (OTEC) Geothermal energy: Geothermal sources (hydrothermal, geo-pressurized hot dry rocks, magma) Biomass: Biomass and bio-fuels bio-energies from wastages Fuel cells: H 2 O 2 Futuristic Energy: Hydrogen Methane Hydrates Carbon capture and storage (CCS). Session No. Topics to be covered Ref Instruction Objective Program Outcome 37 Issues solar/photovoltaic cells; Renewable energy sources, conventional/non conv entional energy sources (Geothermal, fuel, fossils, photovoltaics) Examples/illustrations 4.To emphasize the significance Green technology through Physics principles

11 38 Issues Solar energy: Energy conversion by photovoltaic principle Solar cells(types, principle, e h pair production, efficiency construction, working) Advantages/disadvant ages 39 Concepts wind and ocean energy Wind energy: Basic components and principle wind energy conversion systems Ocean energy: Wave energy Wave energy conversion devices Advantages/disadvantag es 40 Issues tidal energy single and double basin tidal power plants Ocean Thermal Electric Conversion (OTEC) Advantages/disadvant Godfrey Boyle, Renewable Energy: Power sustainable future, 2 nd edition, Oxford University Press, UK, 2004

12 ages 41 Concepts Geothermal energy: Geothermal sources hydrothermal geo-pressurized hot dry rocks magma 42 Concepts Biomass: Biomass bio-fuels bio-energies from wastages 43 Issues Fuel Cells Types fuel cells (Liquid type (H2O2), principle, construction/working)

13 Advantages/disadvant ages 44 Hopes in Futuristic Energy: Hydrogen Methane Hydrates Advantages/disadvantag es 45 Hopes in Futuristic Energy: Carbon capture and storage (CCS). Advantages/disadvantag es MODEL EXAM