Physics| A/L 2019 | Geometrical Optics| Structured Essay Problem| Complete Discussion|English Medium
20:39
Physics| A/L 2018 | Geometrical Optics| Structured Essay Problem|Complete Discussion| English Medium
1:30:51
🌠 [Eric Lagadec] Nous sommes des poussières d’étoiles
9:56
Cheap PIR movement sensor and switch - with schematic
23:31
Physics| Geometrical Optics| Light| Refraction 02| MCQ Discussion| A/L 2000 2007| in English
15:36
Physics|GeometricalOptics (Light)|Structured Essay Problem|A/L 2023| Complete Discussion|in English
11:24
Refraction of Light
18:13
Convex and Concave Lenses
26:12