Object image and focal distance relationship (proof of formula) | Physics | Khan Academy
12:56
Thin lens equation and problem solving | Geometric optics | Physics | Khan Academy
14:32
Derivation of the mirror equation | Geometric optics | Physics | Khan Academy
14:30
Polarization of light, linear and circular | Light waves | Physics | Khan Academy
11:37
Parabolic mirrors and real images | Geometric optics | Physics | Khan Academy
14:07
Multiple lens systems | Geometric optics | Physics | Khan Academy
14:57
Virtual Object | Ray optics and Optical instruments | Physics | Khan Academy
14:21
Diffraction grating | Light waves | Physics | Khan Academy
10:24