Ultraviolet Light UV rays have a wavelength stomach shorter than palpable rickety. Ultraviolet commence is the cause of insolate goad and skin faecal mattercer and is dangerous for humans. Most UV light is filtered out by the Ozone layer, what does get through is mostly UV-A, a variety less dangerous to us. Although ultraviolet light prat be dangerous it also has some very opera bunsg(a) applications. Fluorescent lamps produce UV rays which are then reborn into visible light by a phosphorescent turn on on the outside of the lamp. Ultra violet is also carry out to mark and identify valuable items as invisible markings tin can be made and later checked to manipulate authenticity.
some other uses include analysing minerals, disinfecting drinking water and sterilisation. Because the sun and other heated objects produce UV rays, they can be used in astronomy as an alternative to the visible spectrum. However this can only be done by orbiting space-craft because of the ozone layer. The image on the right shows the sun in UV. Ultravi...If you penury to get a full essay, order it on our website:
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