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| Autor/inn/en | Hughes, Stephen; Gurung, Som |
|---|---|
| Titel | A Simple Method of Demonstrating Huygens' Principle in the Classroom |
| Quelle | In: Physics Education, 56 (2021) 3, Artikel 035005 (5 Seiten)Infoseite zur Zeitschrift
PDF als Volltext |
| Zusatzinformation | ORCID (Hughes, Stephen) |
| Sprache | englisch |
| Dokumenttyp | gedruckt; online; Zeitschriftenaufsatz |
| ISSN | 0031-9120 |
| Schlagwörter | Physics; Science Instruction; Teaching Methods; Scientific Principles; Photography; Telecommunications; Handheld Devices; Measurement; Light; Computer Software; Science Experiments; Lasers |
| Abstract | Huygens' principle in which every point on a propagating wave acts like a point source of radiation is a foundation principle of physics. Normally, Huygens' principle is demonstrated by passing a wave, for example a water or light wave through an aperture comparable in size to the wavelength. In this paper, an experiment is described in which a 0.1 mm diameter copper wire is placed in front of a laser pointer to demonstrate Huygens' principle in empty space. The diffraction pattern was photographed using a phone camera, and the bandwidth measured using a free image analysis program, ImageJ. The diffraction diameter of the wire was 0.095 ± 0.005 mm. The experiment can easily be performed in a classroom. (As Provided). |
| Anmerkungen | IOP Publishing. 190 North Independence Mall West Suite 601, Philadelphia, PA 19106. Tel: 215-627-0880; Fax: 215-627-0879; e-mail: ped@ioppublishing.org; Web site: https://iopscience.iop.org/journal/0031-9120 |
| Erfasst von | ERIC (Education Resources Information Center), Washington, DC |
| Update | 2024/1/01 |
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