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A UV lamp will emit a range of frequencies, and one the lower frequency side of that distribution will be some spectral violet, along with a bunch of UV you can
by oppositelock 8y ago
A UV lamp will emit a range of frequencies, and one the lower frequency side of that distribution will be some spectral violet, along with a bunch of UV you can't see.
Spectral violet and ultraviolet are just two ranges on the continuous frequency spectrum, so they differ in frequency.