A beam of light is incident from air onto a flat piece
A beam of light is incident from air onto a flat piece ofpolystyrene at an angle of 52^{\circ} relative to a normal to the surface. What angle does the refracted ray make withthe plane of the surface?
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refraction is caused by the fact thatthe angle of incidence is greater than the critical anglea given medium has
a beam of light is incident from air onto a flat piece ofpolystyrene at an angle of 52circ relative to a normal to the
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