A 45-90-90 prism has an index of refraction of 15 and is, Ask an Expert

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A 45-90-90 prism has an index of refraction of 1.5 and is immersed in water of index 1.33.

a) What is the critical angle for a light ray inside the prism?

b) Will a light ray entering the prism normal to one face be totally reflected from the next face?

c) If not, what will be the angle of refraction?

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