Quiz #9 Flashcards
Adding more white to a color changes the color’s ___.
a.
hue
b.
wavelength
c.
brightness
d.
saturation
d.
saturation
The reflectance curve is a plot of the light reflected off of a surface as a function of ___.
a.
spatial frequency
b.
contrast
c.
wavelength
d.
orientation
c.
wavelength
Yellow and blue light are projected onto a white screen. What color will the screen appear to be?
a.
white
b.
black
c.
green
d.
purple
a.
white
When different colors of paint are mixed it is referred to as ___.
a.
a viscous color mixture
b.
an additive color mixture
c.
a subtractive color mixture
d.
a pigment color mixture
c.
a subtractive color mixture
Color matching experiments show that if a person with full color vision is given at least ___ wavelengths to mix together, the person can match any single wavelength in the visible spectrum.
a.
2
b.
3
c.
4
d.
5
b.
3
Two stimuli that are physically different, but are perceptually identical, are called ___.
a.
complements
b.
Rayleigh stimuli
c.
metamers
d.
isomers
c.
metamers
The principle of ___ helps explain why a person with only one visual pigment can see all wavelengths as the same color (e.g., shade of gray) if light intensity is adjusted appropriately.
a.
intensity
b.
adjustments
c.
univariance
d.
unitization
c.
univariance
A monochromat experiences ___.
a.
black, white, and grays
b.
black, white, and greens
c.
different shades of red
d.
different shades of blue
a.
black, white, and grays
The rarest form of dichromatism is ___.
a.
deuteranopia
b.
protanopia
c.
tritanopia
d.
fruitopia
c.
tritanopia
The fact that we see blacks, whites, and grays as staying about the same shade under different illuminations is called ___.
a.
color consistency
b.
monochromatism
c.
chromatic invariance
d.
lightness constancy
d.
lightness constancy
