Learning Paths
Each learning path is one chapter: a guided route through a topic, one small course at a time. Pick a class to see its chapters in order.
Chapter 22
Electromagnetic Waves
A charging capacitor has a gap that no charge crosses, yet a magnetic field surrounds it. Maxwell saw why, and the same idea predicted waves of electric and magnetic fields that travel at the speed of light. This chapter follows that idea from the displacement current to the wave, then along the whole spectrum from radio to gamma rays, and ends with the energy, the pressure and the standard calculations. It serves the Indian syllabus (NCERT, JEE Main, NEET) and the matching topic of A-Level, IB and AP Physics.
3 courses
