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The index of refraction of a glass plate is 1.60. What is the Brewster's angle when...

The index of refraction of a glass plate is 1.60. What is the Brewster's angle when the plate isin the following substances?
(a) air

(b) water
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Answer #1
Hint:
Brewster angle
        θB = tan-1 (n2 /n1)
For air
           θB= tan-1 (1.60 /1)
               = 58o
For water
           θB = tan-1 (1.60 / 1.33) =50.2o
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