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The Electromagnetic Spectrum
There are several categories of ultraviolet rays depending on their wavelength measured in Nanometer (nm). The UV rays wavelengths start from 10nm (under its X-rays) to 400nm (beyond its visible radiation).
There are several categories of ultraviolet rays depending on their wavelength measured in Nanometer (nm). The UV rays wavelengths start from 10nm (under its X-rays) to 400nm (beyond its visible radiation).