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We consider ultraviolet (UV) light, which has shorter wavelengths than visible light and longer wavelengths than X-rays, to fall in the range of 10 nm to 400 nm. This wavelength is given in nanometer units, which are 10-9 meters. A micrometer is 10-6 meters, so converting nanometers to micrometers involves multiplication by 103 or 1,000. This gives us a range of wavelengths of 10,000 micrometers to 400,000 micrometers for UV light.

, corresponding to photon energies from 3 eV to 124 eV

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12y ago

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