What was the approximate length of the tube? A. (0.35 mathrm{~m}) B. (0.70 mathrm{~m}) C. (1.4 mathrm{~m})

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What was the approximate length of the tube?

A. \(0.35 \mathrm{~m}\)

B. \(0.70 \mathrm{~m}\)

C. \(1.4 \mathrm{~m}\)

D. \(2.8 \mathrm{~m}\)

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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