1. Geometrical Optics (Chapter 2)
When objects are much larger than the wavelength
Light Rays (Ray Optics)

2. Shadows *Shadow-point source *Shadow: Extended Source
*Shadow: Extended Source

3. Solar Eclipse: Aug
Earth
Moon
SUN

5. The Lunar Eclipse

6. Pinhole Camera *Pinhole Camera

8. Depth of Image and more

9. The effect of pinhole size

10. Diffraction

11. Reflection *Oscillating Charge Field

12. Sun Pillars and Sub Suns

13. Sun Pillar

14. Ice Crystals