Literaturnachweis - Detailanzeige
| Autor/inn/en | Jorge Quereda, J.; Ramón, M.; Silva, B.; Hinarejos, J. J.; Rodrigo, J. G.; Farías, D. |
|---|---|
| Titel | Calibrating the frequency of tuning forks by means of Lissajous figures. |
| Quelle | In: American journal of physics, 79 (2011) 5, S. 517-520
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| Sprache | englisch |
| Dokumenttyp | online; gedruckt; Zeitschriftenaufsatz |
| ISSN | 0002-9505; 1943-2909 |
| DOI | 10.1119/1.3546095 |
| Schlagwörter | Experiment; Laser; Lissajous-Figur; Mechanik; Physik; Physikunterricht; Stimmgabel |
| Abstract | We produce Lissajous figures by modulating a laser beam along two perpendicular directions by means of two tuning forks. When the ratio of the resonant frequencies of the tuning forks is a small rational number, Lissajous figures are clearly resolved on a screen. Because the ratio of frequencies is never exactly a rational number, a phase drift of the Lissajous figures is observed as a function of time. If the period of this phase drift is measured, variations in the resonant frequencies as small as 0.01 Hz can be detected. © 2011 American Association of Physics Teachers. |
| Erfasst von | Arbeitsgruppe Didaktik der Physik, Universität Osnabrück |
| Update | 2011/3 |
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