When you look at the horizontal surface of a puddle of water or a pond (n=1.33)

Question

When you look at the horizontal surface of a puddle of water or a pond (n=1.33) outdoors, you see a (dim) reflection of the surrouding buildings, trees, sky, etc.

A. At what angle of reflection is the reflected light completely (100%) horizontally polarized? Show your work.

B. In order to block as much of the puddle's reflected light as possible from reaching the eyes of the observer, you should wear sunglasses that are...

A. Horizontally polarized

B. Vertically polarized

C. Direction of polarization doesn't matter

Explanation / Answer

1) tan ip = u

ip = tan^-1(1.33) = 53.06

B) A. Horizontally polarized

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