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Speed of Sound by Phase Difference W-b3d
A function generator drives a speaker, and an oscilloscope displays the signals from the function generator and a microphone that moves radially from the speaker. Fishbane Chapter:   14.6 HRW 9th:   17.03 Reese Chapter:   12.913 RHK 5th:   19.3 SJ 3rd Chapter:   13.1 PIRA DCS classification:   3B30.100

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Physics Lecture Demonstrations at the Department of Physics and Astronomy
The Johns Hopkins University