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:
For Animation CLCK HERE
| Angle of incidence | (black) |
| Angle of reflection | (blue) |
| Angle of refraction | (red) |
For Animation CLCK HERE
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