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A certiain material has refractive indi...

A certiain material has refractive indices `1.53, 1.60` and `1.68` for red, yellow and violet light respectively. (a) Calculate the dispersice power. (b) Find the angualr dispersion proudced by a thin prism of angle `6^(@)` made of this material.

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The correct Answer is:
(a) `(1)/(4) = 0.25` (b) `0.90^(@)`
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