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Color & Vision. Parts of the Eye l 3 types of cones in retina l Each responds more strongly to wavelength for which it is named l As the cones are stimulated.

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Presentation on theme: "Color & Vision. Parts of the Eye l 3 types of cones in retina l Each responds more strongly to wavelength for which it is named l As the cones are stimulated."— Presentation transcript:

1 Color & Vision

2 Parts of the Eye

3 l 3 types of cones in retina l Each responds more strongly to wavelength for which it is named l As the cones are stimulated in different proportions, our visual system constructs the colors we see. Cone Response

4 Primary Colors l Red l Blue l Green

5 Appearance of Color

6 Complementary Colors l When two of the three additive primary colors are combined: l Red + Blue = Magenta l Red + Green = Yellow l Blue + Green = Cyan l Two colors that combine to produce white are called complementary l Magenta + ? = White l Yellow + ? = White l Cyan + ? = White

7 Complementary Colors l When two of the three additive primary colors are combined: l Red + Blue = Magenta l Red + Green = Yellow l Blue + Green = Cyan l Two colors that combine to produce white are called complementary l Magenta + Green = White l Yellow + Blue = White l Cyan + Red = White

8 4 Color Graphics

9 Color Subtraction

10 Pigments – Color Subtraction

11 Color Links l Colors of Light Song Lyrics Colors of Light Song Lyrics l Color Mixing – Truscio Color Mixing – Truscio l Color Tutorial – Jewitt Color Tutorial – Jewitt l Physics Classroom – Color Physics Classroom – Color l Physics 2000 Physics 2000 l Color Java Applets Color Java Applets l Ishihara Test for Color Blindness Ishihara Test for Color Blindness

12 Retinal Fatigue

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14 Flag

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16 The Rose

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22 Black dot

23 Black Dots

24 Elephant Legs

25 Man & Woman

26 Old Woman … Young Girl

27 Vanity

28 Two Faces … Or One?

29 Face or Aleut

30 Book

31 Lines

32 Rabbit Duck

33 Spectral Distribution of Sun

34 Scattering

35 Scattering

36 Why Is the Sky Blue? Why Are Sunsets Red? l http://www.stillmoving.ca/physics/faq/General/BlueSky /blue_sky.html http://www.stillmoving.ca/physics/faq/General/BlueSky /blue_sky.html

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39 Absorption of Light by Water l Link Showing Absorption Graph Link Showing Absorption Graph

40 Homework l Homework 2 l Read chapter 27


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