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Mirror Reflections and Refractions: Understanding Optics in Everyday Life

Explore key concepts of reflection and refraction in mirrors through engaging ConcepTests. Learn about image perception, mirror sizes for full reflection, light speed in different media, and aiming strategies for shooting fish. Discover the intriguing world of optics and enhance your understanding of how light behaves in various scenarios.

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Mirror Reflections and Refractions: Understanding Optics in Everyday Life

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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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