The critical angle for glass is 42°. A ray of light is incident on side AC of glass prism shown in diagram. (i) Why does the ray DF not suffer any refraction on entering glass prism?
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When light from air hits a smooth piece of glass (n = 1.5) with the ray perpendicular to the glass surface, which of the following will occur? A portion of the light is reflected and a portion of the light is transmitted into the new medium. Since the angle of incidence is 0 degrees, there is no bending of the ray.
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