Abstract
GeoGebra is freely available mathematical software which is apparently aimed at mathematics lessons. Applications in geometry are obvious immediately after software starting up but, on the second view, there are also animations, algebra, calculus etc.
Considering these facts GeoGebra has potential not only in mathematics but for example in physics too. Geometrical optics is the first thing which is naturally possible and precise drawing with GeoGebra is there very simple.
The way to more complicated physical systems and their computer simulations is relatively easy with only few elementary experiences.