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CU-Boulder PHYS 1120 - CT Ray Optics

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CTRay-1.A man is looking in a mirror and he sees his faces just filling the mirror.The man now moves back, away from the mirror, watching his reflection. As he moves back, he sees the image of his face..A: continues to just fill the mirrorB: becomes smaller than the frame of the mirrorC: become larger than the frame of the mirror.Hint: Man Virtual ImageCTRay-2 A ray of light passes through 3 regions labeled I, II, and III, as shown. How do the indices of refraction of regions I and III compare?A: nI > nIIIB: nI < nIIIC: nI = nIIID: Impossible to tell.IIIIII253525o40oooCTRay-3. A ray of light passes thru a sheet of glass which is thick at the bottom and thin at the top. Which way is the ray traveling after it has passed through the glass? A: bent toward the thin end B: undeviatedC: bent toward the thick endCTRay-4A light ray inside glass is totally internally reflected from an air-glass interface as shown.The air surrounding the glass is replaced with water. With the same light rayin the glass, the total internal reflection will now...A: definitely not occur. B: definitely occur.C: not enough information to know/ don't know.Pink Green Yellow air, n =1 glass, n =1.5 glass


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CU-Boulder PHYS 1120 - CT Ray Optics

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