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Regions of the Electromagnetic Spectrum
Listed below are the approximate wavelength, frequency, and energy
limits
of the various regions of the electromagnetic spectrum.
| Wavelength (m) | Frequency (Hz) | Energy (J) |
| Radio |
> 1 x 10-1 |
< 3 x 109 |
< 2 x 10-24 |
| Microwave |
1 x 10-3 - 1 x 10-1 |
3 x 109 - 3 x 1011 |
2 x 10-24- 2 x 10-22 |
| Infrared |
7 x 10-7 - 1 x 10-3 |
3 x 1011 - 4 x 1014 |
2 x 10-22 - 3 x 10-19 |
| Optical |
4 x 10-7 - 7 x 10-7 |
4 x 1014 - 7.5 x 1014 |
3 x 10-19 - 5 x 10-19 |
| UV |
1 x 10-8 - 4 x 10-7 |
7.5 x 1014 - 3 x 1016 |
5 x 10-19 - 2 x 10-17 |
| X-ray |
1 x 10-11 - 1 x 10-8 |
3 x 1016 - 3 x 1019 |
2 x 10-17 - 2 x 10-14 |
| Gamma-ray |
< 1 x 10-11 |
> 3 x 1019 |
> 2 x 10-14 |
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