The angle between the incident ray and the emergent ray in a glass prism is called as
angle of emergence
angle of reflection
angle of refraction
angle of deviation
A
angle of emergence
B
angle of deviation
C
angle of reflection
D
angle of refraction
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Solution
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When a beam passing through an object like glass prism it gets deflected twice, once while entering into glass prism and secondly when exiting from the prism. The sum of these two deflections is known as deviation angle or angle of deviation.
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