The mixture of different light waves is a(n) _____, and the mixture of paints is a(n) _____.

additive mixture; additive mixture
additive mixture; subtractive mixture
subtractive mixture; additive mixture
subtractive mixture; subtractive mixture

Additive mixtures are _____.

wavelengths of light that, when added together, produce gray
All the answers are correct.
mixtures of wavelengths of light in which some wavelengths are absorbed and do not get reflected
mixtures of different wavelengths of light in which all wavelengths reach the retina and are added together

Opponent-process theory explains why _____.

when all three cones are stimulated equally, we experience an absence of color
colors, such as orange and red, look brighter outside in daylight than inside in incandescent light
we cannot detect colors that are reddish-green or bluish-yellow
dark adaptation takes longer in cones because of the necessity of stimulating two opponent-process colors

According to opponent-process theory, all but one of the pairs below represent complementary systems. Which one does NOT represent a complementary system?

blue-yellow
black-white
orange-blue
red-green

Trichromatic theory explains how color is processed by _____, and opponent-process theory explains how color is processed by _____.

ganglion cells; thalamic cells
thalamic cells; ganglion cells
cones; post-receptor cells
post-receptor cells; cones

According to the opponent-process theory, if you stared at a red and blue image and then looked away at a white piece of paper, you would perceive the opponent colors _____.

green and red
blue and green
white and yellow
green and yellow