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Ultraviolet Light - Essay Example

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Ultraviolet Light

This spectrum is made up of Vacuum UV, UVA, UVB, UVC and Far UV (Gould 54). This paper will elaborate on the benefits and potential hazards of UV light.
This light is said to have energies that range from 3 eV to 124 eV. This form of energy has various effects on the molecular structure of various molecules of living beings. The light energy has photon’s power to alter chemical bonds in the molecules even though they do not cause ionization of the atoms. Majority of the ultraviolet light is absorbed by the Ozone layer. The light that reaches the earth is mainly responsible for the formation of Vitamin D in living organisms. However, due to the destruction of the Ozone layer, some of the ultraviolet rays are able to reach the earth (Gould 55).
There are various tools used to measure and detect the presence of UV light. Various technologies can be used with regards to the part of the spectrum. There are various photocathodes and photodiodes which are sensitive to a particular part of the spectrum may be used to determine the presence of UV light. It is imperative to incorporate the use of optics so as to filter out the unwanted light (Gould 57).
The UV light spectrum has various effects and benefits to humans. This light has been applied in the medical, forensic, astronomy, research and other fields. In the medical field, it is used in sterilizing various tools and equipment. In forensics, it is utilized to detect body fluids in a crime scene. The method has also been used to identify counterfeit documents using a UV sensitive watermark. In research, this light is used in splitting various compounds, for example, proteins and nucleic acids.
In conclusion, UV light is necessary in the synthesis of vitamin D. However, prolonged exposure of this light results in sunburns, direct DNA damage and skin cancer. It is also said to cause damage to the eyes as well as exacerbate pre-existing skin conditions. Although the UV light is harmful to the skin, it has been ...Show more

Summary

Ritter. In the electromagnet field, this light lies between X rays and violet light. The wavelength ranges between 100 nanometers and 400 nanometers. UV light is naturally produced by the sun…
Author : danielle32
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