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Brewster's angle for light going from air (n=1) to glass (n=1.5) is approximately:

A33.7°
B45°
C56.3°
D60°
Answer & Solution
Correct answer: C. 56.3°
$\tan\theta_B = n_2/n_1 = 1.5/1 = 1.5$, so $\theta_B = \arctan(1.5) = 56.31°$.
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