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A laser is mounted in air, at distance x = 0.324 m above the edge of...

A laser is mounted in air, at distance x = 0.324 m above the edge of a large, horizontal pane of crown glass, as shown in the drawing. The laser is aimed at the glass in such a way that the reflected beam is 100% polarized. Determine the distance d between the edge of the pane and the point at which the laser beam is reflected.

d = ______ m

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Answer #1

The ray diagram is shown below:

incident ray reflected ray 0.324m; 90° refracted rayThe Brewster angle is given by -1 i = tan μ tan (1.52) -56.66 From the figure, 0.324 m tan i- 0.324 m tan 56.66° = 0.213 m

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Answer #2

90-theta instead of just tan(the angle)

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