Jabarkan Tempo ogé dari Gelombang éléktromagnétik dalam bahasa sunda

Sinusoidal plane-wave solutions of the electromagnetic wave equation

Electromagnetism  - a chapter from an online textbook

Electromagnetic Waves from Maxwell's Equations  on Project PHYSNET.

Conversion of frequency to wavelength and back - electromagnetic, radio and sound waves

eBooks on Electromagnetic radiation and RF

The Science of Spectroscopy  - supported by NASA. Spectroscopy education wiki and films - introduction to light, its uses in NASA, space science, astronomy, medicine & héalth, environmental reséarch, and consumer products.