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CH 28 NOTES PowerPoint Presentation
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CH 28 NOTES

CH 28 NOTES

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CH 28 NOTES

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  1. CH 28 NOTES

  2. WHAT MAKES RED DIFFERENT THAN BLUE? THEY HAVE DIFFERENT WAVELENGTHS AND DIFFERENT FREQUENCIES

  3. ROYGBIV R The only thing we SEE is LIGHT OYGBIV IS ABSORBED You don’t see peppers - you see red light reflected from peppers

  4. THE PEPPER HAS RED PIGMENT PIGMENT- material that selectively absorbs color

  5. LOW f MED f HIGH f IN THIS CLASS WE’RE GOING TO SIMPLIFY THE SPECTRUM INTO 3 PRIMARY COLORS THE PRIMARY COLORS OF LIGHT ARE: RED GREEN BLUE

  6. YELLOW GREEN RED WHITE MAGENTA CYAN BLUE

  7. Secondary Colors of Light YELLOW MAGENTA CYAN

  8. R G B R G B IS ABSORBED

  9. R G B G R B IS ABSORBED

  10. R G B R B G IS ABSORBED

  11. R G B R G B IS ABSORBED

  12. R G B R G B No light IS ABSORBED That is why it is coolest to wear white

  13. R G B No light All light IS ABSORBED That is why it is hotest to wear black

  14. * White is the combination of all light * Black is the absence of light

  15. Necklace Demo

  16. Complementary Colors - Two colors that combine to make white light RED & CYAN BLUE & YELLOW GREEN & MAGENTA

  17. Color Math! Red + Blue = White - Green = White - Cyan = Yellow + Blue = Magenta Magenta Red White

  18. B The source of light is not always white B IS ABSORBED There is no light reflected, the pepper appears BLACK

  19. R R The banana would appear red

  20. THE END