Ch 27 Color
The solar radiation curve is a. a plot of Sun's brightness versus frequency of emission b. a plot of sunlight colors versus their frequencies c. a plot of light intensity versus temperature of the Sun d. a dent in the spherical Sun e. the path of the Sun as it circles Earth
a plot of Sun's brightness versus frequency of emission
The greenish blue of water is evidence for the a. reflection of greenish-blue light b. interaction between green and blue frequencies of light c. reflection of red light d. absorption of greenish-blue light e. absorption of red light
absorption of red light
Compared to smaller clouds with small droplets, a big cloud with large droplets a. absorbs more light b. is more likely to produce rain c. is darker d. all of the above e. none of the above
all of the above
Compared to smaller clouds with small droplets, a big cloud with large droplets a. absorbs more light b. is more likely to produce rain c. is darker d. all the above e. none of the above
all of the above
What color is fully transmitted in common window glass? a. red b. green c. yellow d. blue e. all of the above
all of the above
What color light is transmitted by a piece of blue glass? a. blue b. orange c. white d. yellow e. red
blue
Distant bright snowy mountains appear yellowish because a. blue has been scattered away from light reflected from the mountains b. the color yellow looks just right c. they are far away d. of nature's wonderful preferences
blue has been scattered away from light reflected from the mountains
A banana will appear black when illuminated with a. blue light b. black light c. green light d. red light
blue light
On a planet in the solar system where the sky normally scatters light of lower frequencies, its sunsets would be a. yellow-greenish b. reddish c. bluish d. whitish
bluish
A white boat sunk in water where sunlight is dim appears a. no color- black b. red c. yellow d. cyan
cyan
Stare at a red wall for a few minutes and then gaze at a white wall. Due to retina fatigue you see a. cyan b. black c. more red
cyan
A mixture of cyan and yellow pigments appears a. blackish-brown b. magenta c. orange d. blue e. green
green
Colors seen on some TV screens result from color a. in addition b. subtraction c. either of these d. neither of these
in addition
The sky is usually the deepest blue a. just before a rainstorm b. just before sunset c. when the air is humid d. during a rainstorm e. just after a rainstorm
just after a rainstorm
Isaac Newton first became famous for his contributions to the understanding of a. light b. the laws of mechanics c. the law of gravity
light
Light travels slightly slower in the a. lower atmosphere b. upper atmosphere c. neither of these
lower atmosphere
If sunlight were green instead of white, the most comfortable color to wear on a cold day would be a. yellow b. magenta c. violet d. green e. blue
magenta
A mixture of red and green pigments appears a. magenta b. muddy-brown c. yellow d. blue e. orange
muddy-brown
The LEDs that make up the color on some TV screens are a. yellow, blue, green b. red, blue yellow c. red, blue, green d. red, green, yellow e. magenta, cyan, yellow
red, blue, green
The color of an opaque object is the same as the light that is a. transmitted b. reflected c. absorbed d. all of the above e. none of the above
reflected
You can get a sunburn while under the "shade" of a beach umbrella due to a. refracted sunlight from the water b. reflected sunlight from the sand c. light scattering in the air d. none of the above
reflected sunlight from the sand
The redness of the lunar eclipse is due to a. scattering of lower frequencies of light by the Moon b. infrared light continually emitted by the Moon c. refraction of sunsets and sunrises all around Earth d. dim light that is incident upon the Moon by Jupiter and other planets
refraction of sunsets and sunrises all around Earth
The physics underlying the redness of sunsets and the color of blue jays involves a. different processes for sunsets and blue jays b. scattered sunlight c. absorbed sunlight
scattered sunlight
Red sunsets are due to light of lower frequencies that a. survive being scattered in the air b. are scattered from smaller particles in the air c. appear reddish-orange to the eye d. are scattered from larger particles in the air e. are reflected by clouds and relatively large particles in the air
survive being scattered in the air
How many colors of ink are used to print full-color pictures? a. six plus black b. one plus black c. three plus black d. two plus black e. four plus black
three plus black
The complementary color of blue is a. cyan b. yellow c. green d. magenta e. red
yellow