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Physics II
> Dispersion
Dispersion
Color
Color may be defined as the visual sensation which depends upon the wavelength or frequency of the light that enters the eye.
Primary and Secondary Colors
Red,
green and
blue are called primary colors or additive primary colors because white is obtained when these colors are mixed.
A color resulting from the mixing of two primary colors are called secondary or composite colors or subtractive primaries.
Mixing of Colors
When two or three primary colors are mixed in definite ratio we get new colors. That is,
Red + Blue = Magenta
Blue + Green = Cyan (Peacock blue)
Red + Green = Yellow
Red + Green + Blue = White
Mixing of Different Primary Colors to
Produce Some Secondary Colors
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Dispersion
Introduction
Newton's Experiment - Dispersion of Light
Dispersion of White Light By a Glass Prism
Recomposition of White Light
Color
Complementary Colors
Color of Opaque Objects
Color of Transparent Objects
How do We See Colors?
Color Deficiency or Color Blindness
Color Perception in Animals and Birds
Summary
Animations
Dispersion of White Light
Recombination of Dispersed White Light
Newtons Colour Disc
Colours and Pigments
Mixing of Colours or Spectral Colours
Colour Filters
Mixing of Colours
Colour Filters
Mixing of Pigments
Paint the Poster
Colour Deficiency or Colour Blindness
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