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Light & Color

This text explores the concepts of light, color absorption, and reflection. It discusses how different color combinations can produce white light, examples of color interactions with filters, and how colors appear when viewed through various colored filters. For instance, cyan shirts absorb red light while reflecting green and blue, leading to their appearance. The relationships between primary colors, secondary colors, and filters are key to understanding how we perceive color in different contexts, especially when light is involved.

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Light & Color

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  1. Light & Color

  2. Red and ____ give white. Cyan Magenta and _____ give white. Green What two other colors add together to give white? Yellowand Blue

  3. A cyan shirt absorbs _____. And it reflects green and blue so it looks cyan. red A magenta shirt absorbs _____. green And it reflects red and blue so it looks magenta.

  4. Sinceredandcyanequalswhite…. White take away red is _______. Cyan Seawater absorbs _____ and _________. red infrared Since white take away red is cyan, seawater looks ______. cyan

  5. White light is shined on a red shirt, what color do you see? R G Red B Red: reflector Green: keep Blue: keep * Since red hits eyes, it looks red!

  6. White light is shined on a blue shirt, what color do you see? R Blue G B Red: keeper Green: keeper Blue: reflector

  7. A filter will only let its own color through. R G B B R R G B

  8. Example: 1 If light is shined through a blue filter and shines on a banana, what color will it appear? R G BLACK B B R ~> Reflector G ~> Reflector B ~> Keep

  9. If light is shined through a red filter and shines on a banana, what color will it appear? R R Red G B Green: reflector Red: reflector Blue: keeper

  10. If white light is shined through a green filter and then a yellow filter and hits a white shirt, what color will it be? R G G G Green B If Red: reflector If Green: reflector If Blue: reflector

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