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Question: 

What would Brewster’s angle be for reflections off the surface of water for light coming from beneath the surface? Compare to the angle for total internal reflection, and to Brewster’s angle from above the surface.

Giancoli, Douglas C., Physics: Principles with Applications, 7th Ed., ©2014. Reprinted by permission of Pearson Education Inc., New York.
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Quick Answer: 

$\theta_{pb} = 36.9^\circ$ $\theta_{pa} = 53.1^\circ$ $\theta_c = 48.8^\circ$

Giancoli 7th Edition, Chapter 24, Problem 69

(1:28)

Chapter 24, Problem 69 is solved.

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