ANSWERS: 1
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A black light emits a type of UV light, but they are not interchangeable terms. Black lights produce UVA (long wave) light, along with a small amount of visible light. Black lights do not produce UVB (medium wave) or UVC (short wave) light.
Source:
GE Lighting; Ballast and Fluorescent Tubes FAQs
UltraViolet Spectrum Frequencies - Wavelength Summary Chart; Vaughn Aubuchon; Sept. 21, 2009
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