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  • 2:58 PM, Sunday, 24 Oct 2021

Course Dual Degree (B. Tech + M.S / M.Tech)
Semester Sem. III
Subject Code PH211
Subject Title Electrodynamics and Special Relativity


Electromagnetic Waves:

Waves in one-dimension – Wave eqaution – sinusoidal waves – Reflection and transmission – Polarization – Electromagnetic waves in vacuum – wave equations for E and B – Monochromatic plane waves – Energy and momentum in electromagnetic waves – Electromagnetic Waves in Matter – Propagation in linear media – reflection and transmission at normal and oblique incidence – Absorption and Dispersion – Electromagnetic waves in conductors – reflection at a conducting surface – frequency dependence of permittivity – Guided Waves – wave guides – TE waves in a rectangular wave guide – waves in coaxial transmission line.

Potentials and Fields:

Scalar and vector potentials, guage transformations – Coulumb gauge.


Dipole radiation – Electric and magnetic dipole radiation, radiation from an arbitrary source, Power radiated from point charges, Radiation reaction.

Electrodynamics and Relativity:

Special theory – Einstein's postulates – Geometry and structure of spacetime – Lorentz transformations. Relativistic mechanics – Propertime – Energy and Momentum – Kinematics and Dynamics; Relativitistic electrodynamics – Magnetism as a relativistic phenomenon – field tensor – transformation of fields – Relativistic potentials.

Text Books

1. Introduction to Electrodynamics, D. J. Griffiths, Prentice Hall of India.


Same as Text Books