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. |