Electromagnetic Spectrum Visualised
Electromagnetic waves are often referred to as electromagnetic radiation because they radiate from electrically charged particles.
EM radiation is classified by its wavelength into radio, microwaves, infrared, visible light, ultraviolet, X-Rays and Gamma rays. Electromagnetic radiation has been utilised for many purposes including radio transmission, microwave communications and medical technologies.
Click on this link to read about EM waves and their application. Have a go at moving the slider in the Flash animation on this site.
Click on this link to have a look at the Electromagnetic Spectrum diagram produced by the Lawrence Berkeley Laboratory.
Next: EM Waves SAQ
