A ray of light PQ is incident at angle i on a prism face See figure After 2 refractions it leaves the prism at a grazing angle B

Question

A ray of light PQ is incident at angle i on a prism face See figure After 2 refractions it leaves the prism at a grazing angle B If u is the refractive index and B is the refractive index and B is the refracting angle of the prism the refracting index u is 1 sin i cos B sin R Correct

Kunduz · Accepted Answer

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