18:13

Convex and Concave Lenses

5:51

Defects of vision and their correction - How do spectacles work?

13:58

Concave and Convex Mirrors

24:59

Ohm's Law

13:51

Dispersion of Light

20:25

Spherical Mirrors

18:03

Human Eye

5:27

Why Does Light Bend? | Concave & Convex Lenses | The Dr Binocs Show | Peekaboo Kidz