Dioptric surface

This applet makes a simple ray tracing of a dioptric surface. The source can be moved by drag and drop, and the dioptric surface can be edited. It works fine just for the left surface.


This is a Java Applet created using GeoGebra from www.geogebra.org - it looks like you don't have Java installed, please go to www.java.com

Mirrors

This applet simulates the behavior of a mirror. The source can be moved by drag and drop, and the mirror's surface can be edited. It works fine for both front and back surfaces.

This is a Java Applet created using GeoGebra from www.geogebra.org - it looks like you don't have Java installed, please go to www.java.com

Thin lenses

This applet illustrates the model of thin lenses. Using a negative focal length will provide a divergent lens. The object position can be manipulated dragging the blue dot labeled as object. This is a Java Applet created using GeoGebra from www.geogebra.org - it looks like you don't have Java installed, please go to www.java.com

Snell's law

This applet illustrates the Snell's law, also known as law of refraction for obvious reasons. The user can drag the blue dot in order to change the incident angle, and manipulate the two refraction indexes. This is a Java Applet created using GeoGebra from www.geogebra.org - it looks like you don't have Java installed, please go to www.java.com