PHYS 5B Midterm: Physics 5B Midterm Exam 2A Winter 2009
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PHYS 5B Full Course Notes
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Only one of the choices given is the correct answer. Each multiple choice problem is worth 5 points: a guitar string is supposed to have a fundamental frequency 256 hz. It currently has a fundamental frequency 248 hz. A second converging lens, whose focal length is 8. 0 cm, is placed 35 cm beyond the rst lens (further from the original object). The nal image (a) is virtual and upright (b) is real and upright. (c) is virtual and inverted. (d) is real and inverted. (e) cannot be determined with the information given. To earn full credit on the following problems, you must exhibit the steps that lead to your nal result (and will depend on the clarity of your method of solution as well as on your nal answer). A car is approaching him at a speed of 33. 0 m/s. The wave is re ected by the car and interferes with the emitted sound producing beats.
