written by
Paulo Carvalho, Marcelo Rodrigues, Carla Pereira, Margarida Ataíde, and Edite Briosa
The paper "How to use a candle to study sound waves" makes use of video recording at 220 frames/s, and video analysis with Tracker to "see" the effect of air particles in motion and to conclude that infrasound waves, just like audible sound waves, are periodic. One can observe that the air particles' displacement is longitudinal, and therefore conclude that sound is a longitudinal wave. This paper also shows the inverse relationship concerning the amplitude of the flame's displacement and the distance between the flame and the loudspeaker. The experimental setup can be used to explore sound waves in a classroom in an original and engaging way.
Candle Sound Wave TRZ
The Candle Sound Wave Tracker archive with a *.trk data file and a video clip. Open this zip file from within Tracker. download 506kb .trz
Last Modified: April 27, 2023
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<a href="https://www.compadre.org/OSP/items/detail.cfm?ID=13020">Carvalho, P, M. Rodrigues, C. Pereira, M. Ataíde, and E. Briosa. "How to use a candle to study sound waves." Phys. Teach. 51, no. 7, (October 1, 2013): 398-399.</a>
P. Carvalho, M. Rodrigues, C. Pereira, M. Ataíde, and E. Briosa, , Phys. Teach. 51 (7), 398 (2013), WWW Document, (https://www.compadre.org/Repository/document/ServeFile.cfm?ID=13020&DocID=3586).
P. Carvalho, M. Rodrigues, C. Pereira, M. Ataíde, and E. Briosa, How to use a candle to study sound waves, Phys. Teach. 51 (7), 398 (2013), <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=13020&DocID=3586>.
Carvalho, P., Rodrigues, M., Pereira, C., Ataíde, M., & Briosa, E. (2013, October 1). How to use a candle to study sound waves. Phys. Teach., 51(7), 398-399. Retrieved December 7, 2024, from https://www.compadre.org/Repository/document/ServeFile.cfm?ID=13020&DocID=3586
Carvalho, P, M. Rodrigues, C. Pereira, M. Ataíde, and E. Briosa. "How to use a candle to study sound waves." Phys. Teach. 51, no. 7, (October 1, 2013): 398-399, https://www.compadre.org/Repository/document/ServeFile.cfm?ID=13020&DocID=3586 (accessed 7 December 2024).
Carvalho, Paulo, Marcelo Rodrigues, Carla Pereira, Margarida Ataíde, and Edite Briosa. "How to use a candle to study sound waves." Phys. Teach. 51.7 (2013): 398-399. 7 Dec. 2024 <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=13020&DocID=3586>.
@article{
Author = "Paulo Carvalho and Marcelo Rodrigues and Carla Pereira and Margarida Ataíde and Edite Briosa",
Title = {How to use a candle to study sound waves},
Journal = {Phys. Teach.},
Volume = {51},
Number = {7},
Pages = {398-399},
Month = {October},
Year = {2013}
}
%0 Journal Article %A Carvalho, Paulo %A Rodrigues, Marcelo %A Pereira, Carla %A Ataíde, Margarida %A Briosa, Edite %D October 1, 2013 %T How to use a candle to study sound waves %J Phys. Teach. %V 51 %N 7 %P 398-399 %8 October 1, 2013 %@ 0031-921X %U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=13020&DocID=3586
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