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Computer technologies and the phenomenon of refraction

 

作者: Michel Helfgott,  

 

期刊: The Physics Teacher  （AIP Available online 1998）
卷期: Volume 36, issue 4  

页码: 236-238

 

ISSN:0031-921X

 

年代: 1998

 

DOI:10.1119/1.880052

 

出版商: American Association of Physics Teachers

 

关键词: Fermat’s principle;refraction;graphics calculator;geometer’s sketchpad

 

数据来源: AIP

 

摘要:

Fermat’s principle implies the well-known law of refraction of light. Our purpose is to show how one can give a simple justification, using only basic coordinate geometry, with the help of a graphics calculator and the Geometer’s Sketchpad®.

 

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