Reflection of rays off a flat surface (segment).
Choose whether both, one, or neither side reflects.
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Reflection and Refraction
1. Reflect a ray: [url]http://www.geogebratube.org/material/show/id/111895[/url]
2. One side is reflective: [url]http://www.geogebratube.org/material/show/id/112443[/url]
[b]→3. Lamp[/b]
4. Refract a ray: [url]http://www.geogebratube.org/material/show/id/112931[/url]