• Electromagnetic Wave Equation in Free...  
00:00 Maxwell's equations in vacuum
00:27 Derivation of the EM wave equation
02:13 Velocity of an electromagnetic wave
03:17 Structure of the electromagnetic wave equation
05:00 E- and B-field of plane waves are perpendicular to k-vector
07:24 E- and B-field of plane waves are perpendicular
08:15 Summary
More: https://en.fufaev.org/electromagnetic...

Books by Alexander Fufaev:
1) Equations of Physics: Solve EVERY Physics Problem
https://en.fufaev.org/physics-equatio...
2) Alexander Fufaev and His Never Ending Story:
https://en.fufaev.org/lifestory