The refractive index of diamond is 2.419. calculate the critical angle for light going from diamond to air
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Answer:rf of diamond= 2.419; rf of diamond with respect to air= 1/ rf of air with respect to diamond(acc to principle of reversibility of light);
Rf of air with respect to diamond = sin C
Sin c= 1/ rf of diamond with respect to air
= 1/2.419
But sin 42° = 1/2.419
So critical angle for light going from diamond to air = 42°
Explanation:
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