In symmetric vibration, two or more bonds are vibrated in or out together. There are two major types of vibrations : When rays are passed through the material it absorbs rays and produces a sharp valley and when rays are transferred through the material it produces a straight line which means when the valley produces it indicates vibrational energy level changes. When IR rays passed through the material some of the radiation is absorbed by the material, some is reflected, and some are transmitted from the material. This technique is based on the absorption, emission, or transmission of light. IR spectroscopy is a common technique to identify the functional group of the material. Gamma rays-> Can destroy living cells, Nuclear energy eg. Visible light-> The light which we can see. Radio waves – > Which gives us instant communication eg.
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