Physics
For which colour of white light, is the refractive index of a transparent medium
(i) the least
(ii) the most?
Refraction Plane Surfaces
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Answer
(i) The speed of red light is maximum. Therefore, the refractive index of a transparent medium is least for red colour.
(ii) The speed of violet light is least. Therefore, the refractive index of a transparent medium is most for violet colour.
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