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