When light strikes the surface between two materials from above, the Brewster angle is $65.0^{\circ}$. What is the Brewster angle when the light encounters the same surface from below?
Added by John B.
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The Brewster angle is the angle of incidence at which the reflected light is completely polarized parallel to the surface. It is given by the formula: $$\theta_B = \arctan\left(\frac{n_2}{n_1}\right)$$ where $n_1$ and $n_2$ are the indices of refraction of the Show more…
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