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UNIVERSITY OF BUCHAREST
FACULTY OF PHYSICS Guest
2024-11-24 21:13 |
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Conference: Bucharest University Faculty of Physics 2018 Meeting
Section: Physics Education
Title:
Building descriptive and explanatory models in optics with the GeoGebra software
Authors:
Daly MARCIUC(1,2), Cristina MIRON(1)
*
Affiliation:
1)University of Bucharest, Faculty of Physics, P.O.BOX MG-11, Magurele, Bucharest, Romania
2)Mihai Eminescu National College, Satu Mare
E-mail
dalymarciuc@gmail.com
Keywords:
Physics Education, learning by modelling, GeoGebra, Fermat's principle, Huygen's principle
Abstract:
In this work we show how we can use the GeoGebra software to verify the consistence between the laws of reflection and refraction, on the one hand, and Fermat's Principle and Huygens’ Principle on the other one. The applets achieved with GeoGebra aim to correct erroneous understanding of the Fermat's principle, which is often inappropriately called the principle of the least time. Another applet we achieved with GeoGebra aims to construct a causal model of refraction, based on the Huygens’ Principle and considering light as a wave. The applets presented in this article can be made by students themselves using the GeoGebra mathematical modelling software.
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