1011_exam3_questions - Possible Test Questions, Exam 3...

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Unformatted text preview: Possible Test Questions, Exam 3 Chapters 11, 12, & 13 MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) A wiggle in time is a 1) _______ A) wave. B) vibratio n. both D) neither 2 ) The source of all wave motion is a 2) _______ A) w a v e pa tter n. h a rmonic object. region of variable high and low pressure. D) vibrating object. E) none of these 3) Which of the following is not a transverse wave? 3) _______ A) s o un d r adio light D) all of these E) none of these 4) The vibrations of a transverse wave move in a direction 4) _______ A) a l o n g t h e dir ect ion of wa ve tra vel . at ri g h t angles to the direction of wave travel. The vibrations of a longitudinal wave move in a direction 5) _______ A) a t r i g h t a n g les to the dir ect ion of wa ve tra vel . al o n g the direction of wave travel. If the frequency of a certain wave is 10 Hz, its period is 6) _______ A) 10 s. B) 100 s. 0.1 s. D) none of these 7 ) Wave interference occurs for 7) _______ A) l i g h t wa ves . s o und waves. water waves. D) all of these E) none of these 8) A node is a position of 8) _______ A) minimum amplitude. B) maximu m amplitude. 9 ) The Doppler effect is characteristi c of 9) _______ A) s o u n d wa ves . li g ht waves. water waves. D) all of these E) none of these 10) A wave barrier is produced when a wave source moves 10) ______ A) n e a r l y a s fast as the wav es it prod uces . f a s t e r than the waves it produce s. as fast as the waves it produces. 11) An aircraft that flies faster than the speed of sound is said to be 11) ______ A) supersonic. B) subsonic. C) neit he of hese 12 ) As a supersonic craft increases in speed, the angle of its V- shaped shock wave becomes 12) ______ A) wider. B) narrower. C) neit he 13 ) A floating leaf oscillates up and down two complete cycles each second as a water wave passes by. What is the wave's frequency? 13) ______ A) 1 Hz 0 .5 Hz 2 Hz D) 3 Hz E) 6 Hz 14) A wave travels an average distance of 6 m in 1 s. What is the wave's velocity? 14) ______ A) 1 m/s 3 m/s more than 6 m/s D) 6 m/s E) less than 0.2 m/s 15) The frequency of the second hand on a clock is 15) ______ A) 1 Hz. 1 Hz....
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This note was uploaded on 11/18/2010 for the course CPHY 101 taught by Professor Jay during the Fall '10 term at University of Massachusetts Boston.

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1011_exam3_questions - Possible Test Questions, Exam 3...

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