Quiz #3 (S04) b

Quiz #3 (S04) b - PHYSICS103 Name Third Quiz 20 April 2004...

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PHYSICS 103 Name                                        Third Quiz 20 April 2004 1. The sonic boom occurs a. only when the airplane passes through the speed of sound. b. when the airplane is moving at slightly less than the speed of sound. c. during the entire time the airplane exceeds the speed of sound. 2. In which of the following is the speed of sound the fastest? a. water b. air c. helium d. iron 3. Increasing the tension in the rope _____ the fundamental frequency of a rope. a. increases b. decreases c. does not change 4. The wavelength of the fundamental standing wave for an organ pipe that is open at one end and closed at the other is ________ the length of the pipe. a. four times b. two times c. the same as d. one-half 5. If you saw a bit off the end of an organ pipe, the fundamental wavelength will a. decrease b. increase c. stay the same. 6. Which of the following musical instruments does not have even harmonics? a. guitar b. harp c. open organ pipe d. closed organ pipe 7. You have an organ pipe that resonates at frequencies of 500, 700, and 900 Hz but nothing in- between. It may resonate at lower and higher frequencies as well. What is the fundamental frequency for this pipe? a. 100 Hz
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Quiz #3 (S04) b - PHYSICS103 Name Third Quiz 20 April 2004...

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