Vectors: Review of Grad, Div & Curl; and other operations
Electrostatics: Coulomb's Law, electric field and potential, Gauss's Law in integral and differential form; the electric dipole, forces and torques.
Isotropic dielectrics: Polarization; Gauss's Law in dielectrics; electric displacement and susceptibility; capacitors; energy of systems of charges; energy density of an electrostatic field; stresses; boundary conditions on field vectors.
Poisson and Laplace equations.
Electrostatic images: Point charge and plane; point and sphere, line charges.
Magnetic field: Field of current element or moving charge; Div B; magnetic dipole moment, forces and torques; Ampere's circuital law.
Magnetization: Susceptibility and permeability; boundary conditions on field vectors; fields of simple circuits.
Electromagnetic induction: Lenz’s law, inductance, magnetic energy and energy density;
Field equations: Maxwell's equations; the E.M. wave equation in free space.
Irradiance: E.M. waves in complex notation.
Polarisation: mathematical description of linear, circular and elliptical states; unpolarised and partially polarised light; production of polarised light; the Jones vector.
Interference: Classes of interferometers – wavefront splitting, amplitude splitting. Basic concepts including coherence.
Diffraction: Introduction to scalar diffraction theory: diffraction at a single slit, diffraction grating.
This module appears in:
Contact hours: lectures (30 hours); workshop sessions (3 hours); class tests (2 hours).
Total study hours 150 hrs.
This is not available as a wild module.
Method of assessment
Written (unseen) examination, 2 hours, 70%. Class tests: 30%.
D.J. Griffiths, Introduction to Electrodynamics, 3rd Ed. (1999), Prentice Hall
Knowledge and understanding of physical laws and principles in Electromagnetism and Optics, and their application to diverse areas of physics.