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1. ConcepTest 23.2a Mirror I

mirror. 3. O. 1. 2. S. 4. 1. ConcepTest 23.2a Mirror I. An observer at point O is facing a mirror and observes a light source S . Where does the observer perceive the mirror image of the source to be located?. 2. ConcepTest 23.2b Mirror II. 1) same as your height

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1. ConcepTest 23.2a Mirror I

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  1. mirror 3 O 1 2 S 4 1. ConcepTest 23.2a Mirror I An observer at point O is facing a mirror and observes a light source S. Where does the observer perceive the mirror image of the source to be located?

  2. 2. ConcepTest 23.2bMirror II 1) same as your height 2) less than your full height but more than half your height 3) half your height 4) less than half your height 5) any size will do You stand in front of a mirror. How tall does the mirror have to be so that you can see yourself entirely?

  3. 3. ConcepTest 23.2c Mirror III 1) No. 2) Yes. 3) Depends on the mirror. 4) Depends on the person. Does this depend on your distance from the mirror?

  4. air air 1 4. ConcepTest 23.4aRefraction I Parallel light rays cross interfaces from air into two different media, 1 and 2, as shown in the figures below. In which of the media is the light traveling faster? 1) medium 1 2) medium 2 3) both the same 2

  5. 1 2 3 5. ConcepTest 23.4bRefraction II 1) n1 > n2 > n3 2) n3 > n2 > n1 3) n2 > n3 > n1 4) n1 > n3 > n2 5) none of the above Parallel light rays cross interfaces from medium 1 into medium 2 and then into medium 3. What can we say about the relative sizes of the index of refraction of these media?

  6. 6. ConcepTest 23.5a Gone Fishin’ I 1) aim directly at the image 2) aim slightly above 3) aim slightly below To shoot a fish with a gun, should you aim directly at the image, slightly above, or slightly below?

  7. 7. ConcepTest 23.5bGone Fishin’ II 1) aim directly at the image 2) aim slightly above 3) aim slightly below To shoot a fish with a laser gun, should you aim directly at the image, slightly above, or slightly below?

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