A Ray of Light (Ray $a$ ) in Air Strikes a Flat Piece of Glass at a Flat

question 71

Short Answer

A ray of light (ray $a$ ) in air strikes a flat piece of glass at an angle of $\phi _ { 0 } = 84 ^ { \circ }$ with respect to the normal, as shown in the figure. The index of refraction of the glass is $1.5$ . What is the angle $\theta$ between the reflected ray (ray $b$ ) and refracted ray (ray $c$ ) rays?

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