Moving the mouse within the area of the mask will show different light paths.Related java applets :
You can click and drag the mask to different positions.
Clicking the area outside the mask will show what happens to light emitted at that location.
You can draw an object with the mouse by clicking and dragging. The image of your drawing will be shown. (example)
Multiple Reflections from two plane mirrors
A game to play with a mirror.
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Author¡GFu-Kwun Hwang, Dept. of physics, National Taiwan Normal UniversityLast modified : Sun Aug 13 23:35:59 2000 More physics related java applets