The average index of refraction of water is n=1.336.

(a) What is the Brewster angle θBr when light reflects in water off air (i.e. at point B) (give your answer in degrees)?

(b) r is the angle of incidence of the light ray at point B in the figure above. What is r−θBr (give your answer in degrees)?

2 answers

pls any one
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