A phenomenon whereby an intensely lit black object appears to be gray or white in a homogeneously dark space is known as ______.
A) lightness constancy
B) the Gelb effect
C) the Ponzo illusion
D) phenomenological lightness
Correct Answer:
Verified
Q50: Describe the trichromatic theory of color vision,
Q51: Spectral reflectance is the ratio of light
Q52: A metamer is a psychophysical color contrast
Q53: What does it mean to say that
Q54: If an object is reflecting 50% of
Q55: That the perceived lightness of an object
Q56: The Gelb effect is a phenomenon whereby
Q57: Define color constancy, and give an example
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Q60: To be purple an object must _.
A)absorb
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