What was the approximate frequency of the sound wave used in this experiment? A. (250 mathrm{~Hz}) B.

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What was the approximate frequency of the sound wave used in this experiment?

A. \(250 \mathrm{~Hz}\)

B. \(500 \mathrm{~Hz}\)

C. \(750 \mathrm{~Hz}\)

D. \(1000 \mathrm{~Hz}\)

A student investigator is measuring the speed of sound by looking at the time for a brief, sinusoidal pulse from a loudspeaker to travel down a tube, reflect from the closed end, and reach a microphone. The apparatus is shown in Figure IV.1a; typical data recorded by the microphone are graphed in Figure IV.1b. The first pulse is the sound directly from the loudspeaker; the second pulse is the reflection from the closed end. A portion of the returning wave reflects from the open end of the tube and makes another round trip before being detected by the microphone; this is the third pulse seen in the data.image text in transcribed

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College Physics A Strategic Approach

ISBN: 9780321907240

3rd Edition

Authors: Randall D. Knight, Brian Jones, Stuart Field

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