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A ray of light strikes the midpoint of one face of an equiangular (60°–60°–60°) glass prism...

A ray of light strikes the midpoint of one face of an equiangular (60°–60°–60°) glass prism (n = 1.5) at an angle of incidence of 40°. (a) Trace the path of the light ray through the glass and find the angles of incidence and refraction at each surface. First surface: θincidence = ° θrefraction = ° Second surface: θincidence = ° θrefraction = ° (b) If a small fraction of light is also reflected at each surface, what are the angles of reflection at the surfaces? θreflection = ° (first surface) θreflection = ° (second surface)

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