The Electromagnetic Spectrum
Electromagnetic waves pervade all of space. They come in all energies – from high energy gamma rays to very low energy radio waves. Electromagnetic radiation has many uses. Some are shown in the table below.
Type of Electromagnetic Radiation | Use |
Radio waves | Communication – TV, Radio. |
Microwaves | In microwave ovens |
Infra Red | Remote controls. |
Visible | Exactly. We see with it. |
Ultraviolet | Sunbeds, in sterilisation equipment. |
X – Rays | Imaging (X- Rays) |
Gamma Rays | Medicine – used to treat cancer. |