[Free] Engineering Physics
To teach students basic concepts and principles of engineering physics, relate them to laboratory experiments and – Free Course
What you’ll learn
- ENGINEERING PHYSICS
- As per Savitribai Phule Pune University (SPPU), Pune, India 2019 curriculum
- Course Code: 107002
- First Year of Engineering
Requirements
- Basic Physics, 11th Std, 12th Std Physics
Description
Course Objectives:
To teach students basic concepts and principles of physics, relate them to laboratory experiments and their applications.
Prerequisite Courses, if any:
Fundamentals of: optics, interference, diffraction polarization, wave-particle duality, semiconductors and magnetism.
Course Outcomes:
On completion of the course, the learner will be able to
CO1: Develop an understanding of interference, diffraction, and polarization; connect it to few engineering applications.
CO2: Learn the basics of lasers and optical fibers and their use in some applications.
CO3: Understand concepts and principles in quantum mechanics. Relate them to some applications.
CO4: Understand the theory of semiconductors and their applications in some semiconductor devices.
CO5: Summarize the basics of magnetism and superconductivity. Explore a few of their technological applications.
CO6: Comprehend use of concepts of physics for Non-Destructive Testing. Learn some properties of nanomaterials and their application.
Unit I Wave Optics
Interference
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Introduction to electromagnetic waves and electromagnetic spectrum
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Interference in a thin film of uniform thickness (with derivation)
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Interference in thin-film wedge shape (qualitative)
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Applications of interference: testing optical flatness, anti-reflection coating Diffraction
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Diffraction of light
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Diffraction at a single slit, conditions for principal maxima and minima, the diffraction pattern
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A diffraction grating, conditions for principal maxima and minima starting from resultant amplitude equations, diffraction pattern.
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Rayleighs criterion for resolution, resolving power of telescope and grating
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Polarization
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Polarization of light, Malus law
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Double refraction, Huygens theory of double refraction
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Applications of polarization: LCD
Unit II Laser and Optic Fibre Laser
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Basics of laser and its mechanism, characteristics of laser
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Semiconductor laser: Single Hetro-junction laser
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Gas laser: CO2 laser
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Applications of lasers: Holography, IT, industrial, medical, Optic Fiber
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Introduction, parameters: Acceptance Angle, Acceptance Cone, Numerical Aperture
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Types of optical fiber- step index and graded index
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Attenuation and reasons for losses in optic fibers (qualitative)
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Communication system: basic building blocks
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Advantages of optical fiber communication over conventional methods.
Unit III Quantum Mechanics
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De-Broglie hypothesis
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Concept of phase velocity and group velocity (qualitative)
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Heisenberg Uncertainty Principle
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Wave-function and its physical significance
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Schrodingers equations: time-independent and time-dependent
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Application of Schrodingers time-independent wave equation
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Particle enclosed in infinitely deep potential well (Particle in RigidBox)
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Particle in Finite potential well (Particle in Non Rigid box) (qualitative)
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Tunneling effect, Tunneling effect examples (principle only): Alpha Decay,
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Scanning Tunneling Microscope, Tunnel diode
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Introduction to quantum computing
Unit IV Semiconductor Physics
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Free electron theory (Qualitative) solids
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Opening of bandgap due to internal electron diffraction due to lattice Band theory of solids.
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The effective mass of electron Density of states
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Fermi Dirac distribution function
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The conductivity of conductors and semiconductors
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Position of Fermi level in intrinsic and extrinsic semiconductors (with derivations
based on carrier concentration) -
Working of PN junction on the basis of the band diagram
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Expression for barrier potential (derivation)
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Ideal diode equation
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Applications of PN junction diode: Solar cell (basic principle with band diagram) IV characteristics and Parameters, ways of improving the efficiency of solar cell
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Hall effect: Derivation for Hall voltage, Hall coefficient, applications of Hall effect
Unit V Magnetism and Superconductivity Magnetism
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Magnetism
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Origin of magnetism
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Classification of magnetism on the basis of permeability (qualitative)
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Applications of magnetic devices: transformer cores, magnetic storage, magneto-optical recording.
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Superconductivity
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Introduction to superconductivity; Properties of superconductors: zero electrical resistance, critical magnetic field, persistent current, Meissner effect
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Type I and Type II superconductors
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Low and high-temperature superconductors (introduction and qualitative)
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AC/DC Josephson effect; SQUID: basic construction and principle of working; Applications of SQUID
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Applications of superconductors
Unit VI Non-Destructive Testing and Nanotechnology
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Non Destructive Testing
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Classification of Non-destructive testing methods
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Principles of physics in Non-destructive Testing
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Advantages of Non-destructive testing methods
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Acoustic Emission Testing
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Ultrasonic (thickness measurement, flaw detection)
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Radiography testing Nanotechnology
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Introduction to nanotechnology
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Quantum confinement and surface to volume ratio
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Properties of nanoparticles: optical, electrical, mechanical
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Applications of nanoparticles: Medical (targeted drug delivery), electronics, space and defense, automobile.
