|
Spectrum of Electromagnetic
Radiation |
| Region |
Wavelength
(Angstroms) |
Wavelength
(centimeters) |
Frequency
(Hz) |
Energy
(eV) |
| Radio |
> 109 |
> 10 |
< 3 x 109 |
< 10-5 |
| Microwave |
109 - 106 |
10 - 0.01 |
3 x 109 - 3 x 1012 |
10-5 - 0.01 |
| Infrared |
106 - 7000 |
0.01 - 7 x 10-5 |
3 x 1012 - 4.3 x 1014 |
0.01 - 2 |
| Visible |
7000 - 4000 |
7 x 10-5 - 4 x 10-5 |
4.3 x 1014 - 7.5 x 1014 |
2 - 3 |
| Ultraviolet |
4000 - 10 |
4 x 10-5 - 10-7 |
7.5 x 1014 - 3 x 1017 |
3 - 103 |
| X-Rays |
10 - 0.1 |
10-7 - 10-9 |
3 x 1017 - 3 x 1019 |
103 - 105 |
| Gamma Rays |
< 0.1 |
< 10-9 |
> 3 x 1019 |
> 105 |