Question 1

If only one color is absorbed in the pigment of a particular blue paint, that color would be

Accepted Answer

A)  red.
B)  yellow.
C)  green.
D)  blue.

Question 2

On a planet in the solar system where the sky normally scatters light of lower frequencies, its sunsets would be

Accepted Answer

A)  reddish.
B)  yellow-greenish.
C)  bluish.
D)  whitish.

Question 3

A piece of glass that appears red

Accepted Answer

A)  absorbs or reflects all colors except red.
B)  transmits red.
C)  both of these
D)  neither of these

Question 4

If three primary colors of light shine on a white wall and produce a white spot, the primaries must be

Accepted Answer

A)  additive.
B)  subtractive.
C)  multiplicative.
D)  divisive.

Question 5

If the atmosphere were about 40 times thicker, the Sun at noon would appear

Accepted Answer

A)  red-orange.
B)  orange-green.
C)  green-blue.
D)  blue-violet.

Question 6

A fast-moving ball is more easily seen if it is

Accepted Answer

A)  red.
B)  orange.
C)  yellow-green.
D)  green-blue.
E)  violet.

Question 7

You can get a sunburn while under the "shade" of a beach umbrella due to

Accepted Answer

A)  reflected sunlight from the sand.
B)  refracted sunlight from the water.
C)  light scattering in the air.
D)  none of the above A

Question 8

The complementary color of blue is

Accepted Answer

A)  red.
B)  green.
C)  yellow.
D)  cyan.
E)  magenta.

Question 9

A red apple will appear black when illuminated with

Accepted Answer

A)  blue light.
B)  cyan light.
C)  yellow light.
D)  magenta light.
E)  none of the above

Question 10

Colors seen on some TV screens result from color

Accepted Answer

A)  addition.
B)  subtraction.
C)  either of these
D)  neither of these

Question 11

The dimmest part of sunlight is

Accepted Answer

A)  red.
B)  yellow.
C)  yellow-green.
D)  green.
E)  violet.

Question 12

The redness of the lunar eclipse is due to

Accepted Answer

A)  refraction of sunsets and sunrises all around Earth.
B)  infrared light continually emitted by the Moon.
C)  scattering of lower frequencies of light by the Moon.
D)  dim light that is incident upon the Moon by Jupiter and other planets.

Question 13

If Earth's atmosphere were appreciably thicker, snow would appear

Accepted Answer

A)  still white.
B)  yellow.
C)  blue.
D)  ultraviolet. B

Question 14

When red, green, and blue lights shine on a golf ball, the shadows cast are

Accepted Answer

A)  red, green, and blue.
B)  black.
C)  magenta, cyan, and yellow.
D)  none of the above

Question 15

How many colors of ink are used to print full-color pictures?

Accepted Answer

A)  one plus black
B)  two plus black
C)  three plus black
D)  four plus black
E)  six plus black

Question 16

Distant dark mountains appear bluish because

Accepted Answer

A)  they are far away.
B)  yellow is being scattered.
C)  you're looking at low-level blue sky between you and the mountain.
D)  of nature's wonderful preferences.

Question 17

The LEDs that make up the color on some TV screens are

Accepted Answer

A)  red, blue, yellow.
B)  red, blue, green.
C)  yellow, blue, green.
D)  magenta, cyan, yellow.
E)  red, green, yellow.

Question 18

A setting Sun appears red due to

Accepted Answer

A)  scattering of lower frequencies by larger particles in the air.
B)  light's longer path through air at sunset.
C)  lower frequencies of light emitted during sunset.
D)  absorption by smaller particles in the air.

Question 19

Complementary colors are two colors that

Accepted Answer

A)  blend together.
B)  are additive primary colors.
C)  produce white light when subtracted.
D)  produce white light when added.
E)  are right for each other. D

Question 20

A blueberry will look black when illuminated with

Accepted Answer

A)  red light.
B)  yellow light.
C)  magenta light.
D)  cyan light.
E)  none of the above

Exam 27: Color

If only one color is absorbed in the pigment of a particular blue paint, that color would be

Correct AnswerverifiedShow Answer

On a planet in the solar system where the sky normally scatters light of lower frequencies, its sunsets would be

Correct AnswerverifiedShow Answer

A piece of glass that appears red

Correct AnswerverifiedShow Answer

If three primary colors of light shine on a white wall and produce a white spot, the primaries must be

Correct AnswerverifiedShow Answer

If the atmosphere were about 40 times thicker, the Sun at noon would appear

Correct AnswerverifiedShow Answer

A fast-moving ball is more easily seen if it is

Correct AnswerverifiedShow Answer

You can get a sunburn while under the "shade" of a beach umbrella due to

Correct AnswerverifiedA

The complementary color of blue is

Correct AnswerverifiedShow Answer

A red apple will appear black when illuminated with

Correct AnswerverifiedShow Answer

Colors seen on some TV screens result from color

Correct AnswerverifiedShow Answer

The dimmest part of sunlight is

Correct AnswerverifiedShow Answer

The redness of the lunar eclipse is due to

Correct AnswerverifiedShow Answer

If Earth's atmosphere were appreciably thicker, snow would appear

Correct AnswerverifiedB

When red, green, and blue lights shine on a golf ball, the shadows cast are

Correct AnswerverifiedShow Answer

How many colors of ink are used to print full-color pictures?

Correct AnswerverifiedShow Answer

Distant dark mountains appear bluish because

Correct AnswerverifiedShow Answer

The LEDs that make up the color on some TV screens are

Correct AnswerverifiedShow Answer

A setting Sun appears red due to

Correct AnswerverifiedShow Answer

Complementary colors are two colors that

Correct AnswerverifiedD

A blueberry will look black when illuminated with

Correct AnswerverifiedShow Answer

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A

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B

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D

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