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Homework02

# Homework02 - angle above the horizontal must it look to see...

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Physics 165/164 Homework Assignment #2 Due, Friday 8 February 2008 at the beginning of class. Read section 4 of Handout #2. Read sections 1 and 2 of Handout #3. Solve Problems: 1. Two laser beams, one red and one violet, are propagating in the same direction inside a piece of quartz which is surrounded by air. The beams hit the flat surface of the glass, making an angle θ 1 with the normal to the surface. For what range of angles θ 1 will one beam be totally internally reflected and the other not? Which color is reflected? 2. A straight, vertical pole extends 3.0 m above the bottom of a 2.0 m deep pool. Sunlight is incident at 40 o above the horizon. How long is the shadow of the pole on the level bottom of the pool? 3. A fish is 1.0 m below the surface of a smooth, large pond.
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Unformatted text preview: angle above the horizontal must it look to see the light from a small camp²re burning at the waters edge 100. m away? The index of refraction of water is 1.33. 4. In the ²lm Jurassic Park , horri²ed passengers in a car watch in the side view mirror as they are pursued by a tyrannosaurus rex. “Objects In Mirror Are Closer Than They Seem” is printed on the mirror. If the mirror has a-3 . 0 m focal length, and if T-Rex is 5.0 m tall and actually 9.0 m from the mirror, how high is his image in the mirror? How far away does he appear to be? Dates to remember: Exam #1, 8:30 am, Wednesday, 13 February 2008. “Anyone who has never made a mistake has never tried anything new.” Albert Einstein....
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