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Question
Define the term refractive index of a medium in terms of velocity of light.
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Solution
It is defined as the ratio of the velocity of light in medium 1 to the velocity of light in medium 2.
RELATED QUESTIONS
A ray of light passes from glass into air. The angle of refraction will be:
(a) equal to the angle of incidence
(b) greater than the angle of incidence
(c) smaller than the angle of incidence
(d) 45°
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