ChBTBAns - CHAPTER B ATMOSPHERIC OPTICS _ MULTIPLE CHOICE...

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CHAPTER B ATMOSPHERIC OPTICS __________________________________________________________ MULTIPLE CHOICE QUESTIONS 1. A halo around the sun is caused by refraction of sunlight by a. raindrops. b. cloud droplets. c. ice crystals in clouds. d. All of these are correct. e. None of these is correct. *c. ice crystals in clouds. 2. A type of cloud that may produce a halo around the sun or moon is a. any warm cloud. b. stratus. c. nimbostratus. d. cumulonimbus. e. cirrostratus. *e. cirrostratus. 3. Rainbows are caused by ______ of sunlight by falling raindrops. a. reflection b. refraction c. both refraction and internal reflection d. diffraction e. None of these is correct. *c. both refraction and internal reflection 4. The color that is refracted (bent) the most as sunlight enters a raindrop is a. violet. b. blue. c. green. d. yellow. e. red. *a. violet. 5. The color in the visible spectrum that is refracted the least as sunlight enters a raindrop is a. violet.
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b. blue. c.
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This note was uploaded on 09/12/2008 for the course GEOS 220 taught by Professor Mountain during the Spring '08 term at University of Louisville.

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ChBTBAns - CHAPTER B ATMOSPHERIC OPTICS _ MULTIPLE CHOICE...

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