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Radiation Experiments - Essay Example

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Ultraviolet rays are a form of electromagnetic waves whose wavelength is much shorter than that of the visible light. The wavelength varies from 10nm to 400nm, the energy of these wave ranges from 3eV to 124eV. The sun emits UV rays and is one of the natural sources of these rays…
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Radiation Experiments
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Download file to see previous pages UV rays are also beneficial to humans; these include the UV watermark that helps in authentication of credit cards. Forensic investigation when a crime occurs, in fluorescent lamps where it ionizes the phosphorescent coating inside the tubes which gives off white light. In astronomy where it is used to make observation from space. UV rays are also used to follow a blood trail for a wounded animal. Other uses include sanitary compliance, spectrophotometer, purification of the air, photochemotherapy, chemical markers, phototherapy, photolithography, sterilization among other uses. (NASA)
Investigation of the amount of UV rays that human being are exposed to is important. This information can help in quantifying the effects caused by these rays. UV also affects materials and paint. These Experiments helps determine the effects of these rays on materials with the objective of reducing them or shielding materials and human beings from them (Callister, 757).
From the graphical representation above, the incandescent lamp produces both the UVA and UVB rays. The incandescent lamp produces more of the UVA rays than UVB rays. It is also evident that after switching ON the lamp, the production of UVA is high and slowly fades with time. For the UVB rays, the intensity is relatively constant for the 2 minute period. From the scientific knowledge about the UVA and UVB, UVA is stronger and has a ...Download file to see next pagesRead More
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