What is the angle of deviation??
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Meghna Thapar 5 years, 6 months ago
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. The emergent ray is bent at an angle with the direction of the incident ray. This angle is called the angle 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. The smallest angle through which light is bent by an optical element or system. In a prism, the angle of deviation is a minimum if the incident and exiting rays form equal angles with the prism faces. The angle is important relative to prism spectroscopes because it can be easily determined.
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