Properties of Light
EM Wave
Light waves
Electromagnetic spectra
Interaction with matter
Requirements for Vision
Absorption depends on wavelength
Absorption depends on frequency
Water absorbs red faster than blue
Speed of light depends on media
Light reflects and refracts
Refraction
Reflectance
Large angle causes internal reflections
Scatter depends on wavelength
Sun is yellow, sky is blue
Polarized Light
Polarized light indicates solar position
Refraction depends on frequency
Lenses focus light
Mammalian Eye
Far and near sightedness
Light Diffraction
Color
Color Spectra
Color has 3 dimensions
Light interference
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