E.M. Spectrum

Types of waves

Radio

Microwaves

Infra-red

Visable

Ultraviolet

X-rays

Gamma Rays

They all obey the wave equation

All are transverse

All travel at the speed of light

3x10 to the power of 8 m\s in air and a vacuum

All can travel in a vacuum

They can all be reflected or refracted

They all transfer energy