Waves Practice Problem Set Worksheet Page 21
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ECHANICS
RACTICE
ROBLEM
ETS
7. (G13) A mirror at an amusement park shows an upright image of any person who
stands 1.3 m in front of it. If the image is 3x the person’s height, what is the radius of
curvature?
Answer: 3.9 m
8. (G15) Some rearview mirrors produce images of cars to your rear that are a bit
smaller than they would be if the mirror were flat. Is this mirror convergent or
divergent?
a. What type of image is produced?
b. What would the height of the image be for a car that was 1.3 m high and 15.0
m behind you, assuming the mirror’s radius of curvature is 3.2 m?
Answer: 0.13 m
9. (G17) Where should an object be placed in front of a convergent mirror so that it
produces an image at the same location?
Answer: At C
a. Is the image real or virtual?
b. Is the image inverted or upright?
c. What is the magnification of the image?
Answer: -1
Gamzon & Gregorian-Michaelsen
6/7/16
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