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Angle of Deviation

a For which c...

Question

(a) For which colour of white light, is the refractive index of a transparent medium (i) the least, (ii) the most?

(b) Which colour of light travels fastest in any medium except air?

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Solution

(a)
(i) The least for red colour
(ii) The most for violet colour.

(b) Red colour of light travels fastest in any medium except air.

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Angle of Deviation

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