Engineering Physics (BAS-01)

About Course

Unit-1: Quantum Mechanics 

Inadequacy of classical mechanics, Planck’s theory of black body radiation(qualitative),
Compton effect, de-Broglie concept of matter waves, Davisson and Germer Experiment,
Phase velocity and group velocity, Time-dependent and time-independent Schrodinger
wave equations, Physical interpretation of wave function, Particle in a one-Dimensional
box.

Unit-2: Electromagnetic Field Theory 

Basic concept of Stoke’s theorem and Divergence theorem, Basic laws of electricity and
magnetism, Continuity equation for current density, Displacement current, Maxwell
equations in integral and differential form, Maxwell equations in vacuum and in
conducting medium, Poynting vector and Poynting theorem, Plane electromagnetic
waves in vacuum and their transverse nature. Relation between electric and magnetic
fields of an electromagnetic wave, Plane electromagnetic waves in conducting medium,
Skin depth.

Unit-3: Wave Optics 

Coherent sources, Interference in uniform and wedge shaped thin films, Necessity of
extended sources, Newton’s Rings and its applications, Introduction to diffraction,
Fraunhoffer diffraction at single slit and double slit, Absent spectra, Diffraction grating,
Spectra with grating, Dispersive power, Resolving power, Rayleigh’s criterion of
resolution, Resolving power of grating.

Unit-4: Fiber Optics & Laser 

Fibre Optics: Principle and construction of optical fiber, Acceptance angle, Numerical
aperture, Acceptance cone, Step index and graded index fibers, Fiber optic
communication principle, Attenuation, Dispersion, Application of fiber.
Laser: Absorption of radiation, Spontaneous and stimulated emission of radiation,
Population inversion, Einstein’s Coefficients, Principles of laser action, Solid state Laser
(Ruby laser) and Gas Laser (He-Ne laser), Laser applications.

Unit-5: Superconductors and Nano-Materials:

Superconductors: Temperature dependence of resistivity in superconducting
materials, Meissner effect, Temperature dependence of critical field, Persistent current,
Type I and Type II superconductors, High temperature superconductors, Properties and
Applications of Super-conductors.
Nano-Materials: Introduction and properties of nano materials, Basics concept of
Quantum Dots, Quantum wires and Quantum well, Fabrication of nano materials -TopDown approach (CVD) and Bottom-Up approach (Sol Gel), Properties and Application of
nano materials.