Multiple reflections in two mirrors - Colegiul National Mihail Eminescu (Satu Mare - Roumanie) Lycée Aristide Briand (Gap)

Titre du sujet
Multiple reflections in two mirrors
Établissement
Colegiul National Mihail Eminescu (Satu Mare - Roumanie)
Année
2016-2017
Etablissement(s) jumelé(s)
Lycée Aristide Briand (Gap)
Résumé
We have two intersected plane mirrors forming an arbitrary angle u and a point-like object S placed between the two mirrors. Can you determine the number of the formed images, depending on the angle u and position of the object S?