Color Perception in 12th Class Lecture
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Questions and Answers

What is the reason behind a color appearing more prominent when surrounded by its opponent color according to the text?

  • Enhanced contrast due to the opponent colors being in close proximity (correct)
  • Decreased contrast due to the opponent colors being far apart
  • Mutual blending of colors
  • Absence of contrast between the colors
  • How does color assimilation affect the perception of colors?

  • It causes colors to blend into each other (correct)
  • It increases the contrast between colors
  • It enhances the brightness of all colors
  • It decreases the saturation of colors
  • What perceptual effect leads to two colors blending into each other and one color adopting properties of the other color?

  • Color contrast
  • Color afterimages
  • Color assimilation (correct)
  • Coloration enhancement
  • Why does a sphere appear green when overlaid with green lines according to the text?

    <p>Color assimilation</p> Signup and view all the answers

    In the context of the text, what happens when you surround central blocks with their own colors?

    <p>Enhanced contrast and increased prominence</p> Signup and view all the answers

    How does proximity affect the perception of colors in relation to their opponents according to the text?

    <p>Proximity intensifies the contrast between colors</p> Signup and view all the answers

    What is the perceptual effect where a color in one region induces a color in its surrounding region?

    <p>Color assimilation</p> Signup and view all the answers

    Why does red appear more prominent when surrounded by its opponent color green?

    <p>Because red and green are complementary colors</p> Signup and view all the answers

    What decreases when a red block is surrounded by a lighter version of its own color?

    <p>Contrast between red and its surroundings</p> Signup and view all the answers

    Which phenomenon explains the ability of the visual system to perceive the same color in different levels of lighting?

    <p>Color constancy</p> Signup and view all the answers

    What makes an object appear to change in color when viewed under different lighting conditions?

    <p>Color constancy</p> Signup and view all the answers

    Why would staring at a specific color for a long time result in seeing a color afterimage?

    <p>Because of temporary desensitization of color receptors</p> Signup and view all the answers

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