first ill use some sort of ultraviolet sensitive object behind the cloth and see how much it fluoresces when i shine the uv light on it. ill have an ultraviolet light, and an infrared source to test each color's transmission capabilities. are those colors just for reference, or are they really representative of the actual color of radiation (if radiation has a color)?Īs for a test, what do you think about have two cloths that are exactly the same, black and white. So uv isn't part of visible light? on the em spectrum it shows infrared as red and ultraviolet as violet(or is it blue?). But, I would expect their pigmentation allows better protection against UV and they are mainly dressing for cooling and shielding from direct sunlight. Most of the ones I have seen wear lighter colors but it they also seem to be wearing dark colors too. If you ask me, search for pictures of the Bedouin and take a cue from the colors they wear. It might be reasonable to assume that the absorption of black dyes extends beyond the visible region but we cannot make such an assumption without any testing in my opinion. You could place a true infrared light source or ultraviolet light source in a room and you would not be able to see (ok, technically you could probably see with the UV light since most of our clothes are purposely dyed with UV sensitive dyes to bring out that whiter whites and brighter brights look). We cannot take the absorption and reflection properties of objects within the visible region as an indication of what occurs in the ultraviolet region. We are only able to perceive within the visible light region. None really without actually testing the dyes and fabrics. a caucasian gets sun burned easier whilst an african is more resistant to sun burn. *confirmation needed on whether red has those properties of blackĪnother analogy is that darker peoples are more suited to sunny environments than lighter peoples, so therefore darker is better for UV than lighter colors e.g. somewhat cooler to wear than black because red reflects infrared Red - absorbs light and UV rays and lets less light through *to the extent that black does. White - reflects light and UV rays, although lets light through (which lets UV through), is cooler to wear scientific logic, pleaseīlack - absorbs light and UV rays lets less light through than white (less UV), is hotter to wear black is hotter because of the light transforming into infrared which is less damaging than UV. #Uv light vs black light skin#Which color would protect your skin better in an extremely sunny day? (please do not not use rhetoric like "white is cooler therefore it is better". also the inverse, does white reflect UV rays as well as light? UV is a part of the invisible spectrum which is a part of light if im correct. Insects can see the emitted UV light and are attracted to it. You may recall the bluish glow coming from these devices. These bulbs are perhaps most famously used in bug lights, or bug zappers. less light = less UV raysĪ better question to ask would be if black absorbs UV rays as well as light. The light from a black light is much brighter than that from a blacklight blue bulb, because it doesn't attempt to block all visible light from the bulb. cover it with that same curtain except white and the room is somewhat brighter. You have a room with one window, cover it with a fabric curtain that is black the room becomes very dark. Which color is better at blocking UV rays?
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