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physical science

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if a blue object is placed in front of the screen, what color will it be? explain?

  • physical science - ,

    something has to be missing here. Is there some light in the room?

  • physical science - ,

    a red light source and green light source shine on a white screen. so
    if a blue object is placed in front of the screen, what color will it be? explain?

  • physical science - ,

    A blue object appears blue, because it absorbs all wavelengths except those in the blue area of the spectrum (subtracting the other wavelengths). Do either the green or red light overlap this portion of the spectrum? If not, what color would it be?

    http://www.glenbrook.k12.il.us/gbssci/phys/Class/light/u12l2d.html

    I hope this helps a little more. Thanks for asking.

  • physical science - ,

    it would be brown

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