The Electromagnetic Spectrum
The full family of electromagnetic waves, from radio waves to gamma rays.
Electromagnetic Spectrum
| Type | Relative Wavelength |
|---|---|
| Radio Waves | Longest |
| Microwaves | Long |
| Infrared | Medium-long |
| Visible Light | Medium |
| Ultraviolet | Medium-short |
| X-rays | Short |
| Gamma Rays | Shortest |
Note: All electromagnetic waves travel at the speed of light in a vacuum.
Lesson 18 of 32