Lecture
This lecture covers the superposition and interference of counterpropagating electromagnetic waves, explaining the mathematical expressions for the right-moving and left-moving waves, their superposition, and the resulting magnetic field. It also discusses how interference redistributes wave energy in space, leading to a spatial modulation of energy distribution. The concept of standing waves and the application of Huygen's principle for wavefront construction are explored, along with the impact of boundary conditions on wave behavior.