Spherical Mirrors

50:15
Reflection by Spherical Mirrors

24:59
Ohm's Law

18:13
Convex and Concave Lenses

17:39
Mirror Formula and Magnification | Sign Convention

23:13
Defects of Vision and Their Correction

8:50
Atletico Madrid - Real Madrid | UEFA Champions League | DAZN Highlights

20:30
Wie kaputt ist Harald Glööckler?

8:51