light refraction in a glass air surface varying incidence angle

############################# Video Source: www.youtube.com/watch?v=8VZHym6HqVU

Notice that in the first refraction (from air to glass) light does not change direction (normal incidence). Light propagating in glass reaches a plane surfac...

glass air surface, reflection of light, refraction of light, laws of reflection, laws of refraction, total internal reflection
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