Engineering Physics (BSC-202)
Program: B.Tech Civil Engineering
Category: Basic Science Course
Semester: 2
Credits: 4
L-T-P: 3- 1- 0
Description
Instructor

Prof. Ajit Virdi

Professor
Department Of Applied Sciences
Course Outcomes
  • Apply the concept of gradient, divergence, and curl to understand advance physics.
  • Use Maxwell’s equations to describe propagation of electromagnetic waves in a medium
  • Apply the concept of wave function to solve problems related to particle confined in a box.
  • Understand the concept of interference, diffraction, and polarization of light.
  • Understand and articulate the working principle of lasers and optical fibres
Resources
Course Handout Lesson Plan
Evaluation Scheme
MST 10
MST_1 10
Assignment 20
Attendance 10
Total Internal 50
Total External 100
Overall Total 150
Course Materials

Unit 0

Mathematical Physics
Concepts of Del operator, partial derivative, and fields (scalar and vector). Laplacian operator
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Curl of vector field and Numerical problems based on curl
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Divergence of vector and its expression in term of cartesian coordinates
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Gauss’s Divergence theorem
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Gradient and its physical significance
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Introduction to vectors
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Numerical problems based on curl
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Numerical problems based on divergence
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Numerical problems based on Stoke’s theorem and Gauss’s divergence theorem
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Stoke’s theorem
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Electromagnetic Theory
Concept and derivation of Displacement current
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Concept of waves and basic of electromagnetic wave and equation of continuity
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Derivations of Maxwell’s 1st and 2nd equation.
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Derivations of Maxwell’s 3rd and 4th equation
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Maxwell’s equations in vacuum and non-conducting medium (differential and integral forms)
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Solution of wave equations and relationship between Eo and Bo
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Velocity of electromagnetic wave and Relation between Eo & Bo.
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Wave equations for electric and magnetic field vectors.
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Quantum Mechanics
Applications of Schrodinger’s equation (Time independent) to (i) Particle in One-Dimensional Box
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Concept of operators and expation values
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de-Broglie wavelength of electron and Davisson and Germer Experiment
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de-Broglie’s concept of matter waves and de-Broglie wavelength
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Heisenberg uncertainty principle, Experimental Illustration using single slit.
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Inadequacies of classical mechanics
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Numerical problems
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Schrodinger wave equation (Steady state and time dependent) for one-dimensional case
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Single Step Potential Barrier
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Wave-packet, Phase, and group velocities
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Wavefunction- definition, interpretation, and physical significance
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Applied Optics
Basic of interference
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Diffraction, Fraunhoffer & Fresnel’s diffraction
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Fraunhoffer diffraction due to single slit
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Fresnel’s half period zones and rectilinear propagation of light
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Geometry of Calcite crystal and Nicol
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Interference in thin films (by reflection & transmission of light)
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Mathematical representation of elliptically and circularly polarized light
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Numerical problems based on quarter and half wave plate
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Plane diffraction grating & its theory for secondary maxima and minima
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Quarter and half wave plate
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Theory of Newton’s rings by reflected light; Determination of ref. Index and wavelength
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Unpolarised and polarised light and Phenomenon of double refraction
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Laser & Fibre Optics
Basic of Laser, induced absorption, spontaneous emission, stimulated emission, and Einstein’s coefficients
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Characteristics and General applications of Lasers and Optical fibres numerical problems
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Numerical aperture and single mode and multimode fiber
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Propagation of Light in Optical fibres, Acceptance angle, acceptance cone
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Ruby laser construction and working
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