Serway_PSE_quick_ch35

Serway_PSE_quick_ch35 - Physics for Scientists and...

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Physics for Scientists and Engineers, 6e Chapter 35 – The Nature of Light and the Laws of Geometric Optics
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In the movies, you sometimes see an actor looking in a mirror and you can see his face in the mirror. During the filming of this scene, what does the actor see in the mirror? 1 2 3 4 5 20% 20% 20% 20% 20% 1 2 3 4 5 1. his face 2. your face 3. the director’s face 4. the movie camera 5. impossible to determine
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The light rays from the actor’s face must reflect from the mirror and into the camera. If these light rays are reversed, light from the camera reflects from the mirror into the eyes of the actor.
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If beam 1 is the incoming beam in Figure 35.10b, which of the other four red lines are reflected beams and which are refracted beams? 1 2 3 4 5 20% 20% 20% 20% 20% 1 2 3 4 5 1. Only beam 2 is reflected. 2. Only beam 4 is reflected. 3. Beams 2 and 4 are reflected. 4. Beams 2, 3, and 4 are reflected. 5. All four of the other lines are reflected.
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Beams 2 and 4 are reflected; beams 3 and 5 are refracted.
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Light passes from a material with index of refraction 1.3 into one with index of refraction 1.2. Compared to the incident ray, the refracted ray 1 2 3 33% 33% 33% 1 2 3 4 5 1. bends toward the normal 2. is undeflected 3. bends away from the normal
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This note was uploaded on 01/19/2010 for the course PHYS 200 taught by Professor Davies during the Spring '08 term at Roger Williams.

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Serway_PSE_quick_ch35 - Physics for Scientists and...

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