Geometric Optics


	H		*Geometric Optics*
H
		*Reflection of Light from Mirrors*
				Mirrors are always a wonder
		Light always reflects off a surface as shown below (Specular Reflection). Some surfaces are not smooth so the light will bounce off in all directions (Diffuse Reflection).

		Mechanical Universe
		*Multiple Images I, II, III,*



		*Reflection from a Mirrored Concave Surface, outside Focal Point*

		*Reflection from a Mirrored Concave Surface, inside Focal Point*

		*Reflection from a Mirrored Convex Surface*

		*Summary*

		*Refraction of Light from Lenses*
		Light will bend when traveling from one medium to another. Light seems to travel slower in solid matter.
		When light travels from one medium to another, the frequency f of the wave does not change. The number of waves arriving per unit time must equal the number leaving per unit time.


		*Refraction thru a Convex Lens*


		A Diverging Lens

		*Summary of Lens Examples*
		A GravitationalLens