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Homework Help: What color does a green cloth appear in yellow light

  1. Apr 19, 2009 #1
    1. The problem statement, all variables and given/known data
    what color does a green cloth appear in yellow light

    2. Relevant equations

    3. The attempt at a solution
    i know its either green or black but i dont know which.
    Yellow light is either a wavelength of its own or a mixture of green and red, thats where my problem is. I am not sure
  2. jcsd
  3. Apr 19, 2009 #2
    Think this: What does green cloth appear with green? and what does it appear in red? Since yellow light is green+red...
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