A bright idea - Lycée Arago (Perpignan) Colegiul National B.P. Hasdeu (Buzau, Roumanie)
Titre du sujet:
A bright idea
Établissement:
- Lycée Arago (Perpignan)
Année:
- 2017-2018
Etablissement(s) jumelé(s):
- Colegiul National B.P. Hasdeu (Buzau, Roumanie)
Résumé:
The walls of a room are all mirrors. A ray of light is sent parallel to the floor from a given point in the room. Which possible trajectories of the light can we observe depending on the original direction and the shape of the room?
Mots clés:
- géométrie
- rayon
- réflexion
- miroir