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What is the angle of deviation?? |
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Answer» The\xa0angle of deviation\xa0is the\xa0angle\xa0between the direction of the refracted ray and the direction of the incident ray when a ray of light passes from one medium to another.\xa0The emergent ray is bent at an\xa0angle\xa0with the direction of the incident ray. This\xa0angle\xa0is called the\xa0angle of deviation. The phenomenon of splitting of white light into its constituent seven colours on passing through a glass prism is called dispersion of light.\xa0The smallest\xa0angle\xa0through which light is bent by an optical element or system. In a prism, the\xa0angle\xa0of\xa0deviation\xa0is a\xa0minimum\xa0if the incident and exiting rays form equal\xa0angles\xa0with the prism faces. The\xa0angle\xa0is important relative to prism spectroscopes because it can be easily determined. The angle of deviation is the angle between the direction of the refracted ray and the direction of the incident ray when a ray of light passes from one medium to another |
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