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Refraction of Light

A ray of light coming from the top left strikes the boundary surface of two media. (It is possible to choose the substances in both lists.) The medium which has the bigger index of refraction is painted blue, the other yellow. You can vary the incident ray with pressed mouse button. The applet will show the reflected and the refracted ray and calculate the corresponding angles:

Angle of incidence (black)
Angle of reflection (blue)
Angle of refraction (red)

Remark: The index of refraction varies slightly for different wavelengths. This phenomenon is called dispersion.


Physics Applets

URL: http://www.walter-fendt.de/ph14e/refraction.htm
© Walter Fendt, December 20, 1997
Last modification: January 18, 2003

This applet is part of the Contemporary College Physics Simulation Library.