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Different types of UV radiation and their energies.
| Name | Wavelength (nm) | Energy (eV) |
|---|---|---|
| Ultraviolet A (UVA) | 400–315 | 3.94–3.10 |
| Ultraviolet B (UVB) | 315–280 | 4.43–3.94 |
| Ultraviolet C (UVC) | 280–200 | 6.20–4.43 |
| Vacuum ultraviolet (VUV) | 200–100 | 12.4–6.20 |
