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Ultraviolet (UV) light causes some body fluids, such as urine and semen, to fluoresce, making them visible to the naked eye.
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How do you detect blood on a window frame?
Use a UV light. The blood stain will appear black.
How can UV light be used to detect forgeries?
under uv lights, different inks appear differently, e.g. it fluoresces. if the forged signature is diffrent from the rest of the document, chances are that the signature is forged
Is UV light the same as fluorescent light?
The UV light is different to that of fluorescent light. The UV originates from the sun. The latter one does not.No, it is not. UV is different.
Are UV light and UV rays the same thing?
Yes, UV light and UV rays are the same thing, light emit "rays."
What is the fluid called that you pour into your car radiator to check if the head gasket has gone?
UV (Ultra Violet) Detection Dye. You will also need a UV black light and special glasses to detect leaks when you use this dye.
How do you get a UV light?
you go to a beauty shop and ask for a UV light
How can you detect U.V. from sun?
UV from sun could be detected using UV sensors. The technology has been that advanced.
Does UV light kill ringworm?
yes the UV light kills the fungus
How is uv light different from light?
It is different because the UV light is brighter then a normal light and it is like a laser. UV light is different to normal light because it is invisible and the wave length is smaller.
What are the advantages and disadvantages for Ultraviolet Telescopes?
The disadvantage are that it can cause skin cancer if you are exposed to sufficient amounts of UV light (in particular, UV-B and UV-C light). See the Related Questions link to the left of this answer for more information about that: "How do UV-B rays affect people?" One of the beneficial uses of UV light are that it can be used to kill bacteria and other microbes. It is commonly used to purify water for instance or clean things. UV light can also be used for a variety of other of application, such as black lights (which just look cool!). Also many compounds fluoresce (they emit light) when exposed to UV light. This is how forensic scientists can find traces of blood and other bodily fluids at crime scenes for instance. Finally exposure to some UV-B light causes the body to make Vitamin D, an important nutrient. While some exposure is important too much will cause sunburns and possibly cancer.
Why can UV light cause cancer and not infrared light?
UV light can be turned into infrared light u dofus. DANJUIN
What was the purpose of examining the original pGLO solution with and without UV illumination?
The purpose of examining the original pGLO solution with UV illumination was to detect bacteria. The purpose of examining the original pGLO solution without UV illumination was to detect the possibility that DNA cells existed.
