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General Light Discussion
at what wavelength does UV become harmful?
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09-09-2007, 06:20 PM
ixfd64
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Join Date: Sep 2007
Location: California
Posts: 52
at what wavelength does UV become harmful?
I know that it's commonly accepted that UV "begins" at 400 nm and "ends" at 1 nm, a which X-ray "begins." However, does anyone know at what wavelength does UV actually become harmful (ionizing) to humans?
Thanks in advance.
ixfd64
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