ExamII2000

# ExamII2000 - 29:029 Physics III Exam II Closed book exam...

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29:029 Physics III Exam II October 27, 2000 Closed book exam. Please show all work to get full credit. Point values for each problem are indicated. Please ask questions if you need clarification. If you don’t show your work, or make written comments, then there is no way for me to give partial credit. 1) (12 points) A concave spherical mirror has a radius of curvature of 6 cm. a) Sketch a ray diagram and find the location and magnification of the image from an object located at 9 cm. Is the image real or virtual? (You can use equations to help.) b) Same as a) except that the object is located 2 cm in front of the mirror. 2) (12 points) A fish is 10 cm from the front surface of a fish bowl of radius 20cm. Take the index of refraction of water to be n=4/3. a) Where does the fish appear to be to someone in air viewing it from in front of the bowl? b) Where does a cat that is 10 cm from the outside surface of the bowl appear to be to the fish?

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ExamII2000 - 29:029 Physics III Exam II Closed book exam...

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