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(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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Answer» (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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