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Unformatted text preview: e. 8. 42.5 Hz. 85.0 Hz. 170 Hz. 510 Hz. 680 Hz. You are lying at the bottom of a swimming pool filled with 9ft deep of water (n=1.33). What is the diameter of the "hole" at the water surface through which you can see out of the pool? a. b. c. d. e. 5ft. 10ft. 15ft. 20ft. 25ft. 9. A string, 2.0 meters in length, is fixed at both ends and tightened until the wave speed is 78 m/s. What is the frequency of the standing waves shown in the figure below? a. b. c. d. e. 470 Hz. 230 Hz. 350 Hz. 120...
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This note was uploaded on 02/11/2012 for the course PHYS 1C 1C taught by Professor Wethien during the Spring '11 term at UCSD.
- Spring '11