2202905
Descrição
Quiz por Olivia Gibbs, atualizado more than 1 year ago
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Criado por Olivia Gibbs
aproximadamente 9 anos atrás
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Questão 1
Questão
The color of an object we see is determined by the
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colors of light reflected by the object.
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frequencies of light absorbed by the object.
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colors of light shining on the object.
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frequencies of light reflected by the object.
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all of the above
Questão 2
Questão
Sunlight contains all colors of light, but much of it is
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orange.
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blue.
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violet.
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yellow.
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red.
Questão 3
Questão
Light shines on a pane of green glass and a pane of clear glass. The temperature will be higher in
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the clear glass.
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the green glass.
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Neither, it will be the same in each.
Questão 4
Questão
Colors seen on TV result from color
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subtraction.
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addition.
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none of the above
Questão 5
Questão
Different colors of light correspond to different light
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frequencies.
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polarities.
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intensities.
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velocities.
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none of the above
Questão 6
Questão
When blue and yellow paints are mixed together, the result is green. The reason for this is that
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blue and yellow are complementary colors.
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yellow pigments absorb green light and reflect all the others.
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blue reflects only blue light, and yellow reflects almost all colors of light.
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between blue and yellow pigments, all colors are absorbed except green.
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blue absorbs yellow light and yellow absorbs blue light.
Questão 7
Questão
Magenta light is really a mixture of
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red and yellow light.
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red and cyan light.
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yellow and green light.
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red and blue light.
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none of the above
Questão 8
Questão
The color of an opaque object is determined by the light that is
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absorbed.
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reflected.
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transmitted.
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all of the above
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none of the above
Questão 9
Questão
If sunlight were green instead of white, the most comfortable color to wear on a hot day would be
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yellow.
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blue.
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green.
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magenta.
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none of the above
Questão 10
Questão
If molecules in the sky scattered orange light instead of blue light, sunsets would be colored
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yellow.
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blue.
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green.
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orange.
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none of the above
Questão 11
Questão
If the atmosphere were 50 times thicker than it now is, the sun would appear
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blue-violet.
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orange-green.
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red-orange.
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green-blue.
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none of the above
Questão 12
Questão
The reason the sky is blue is that air molecules
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are blue.
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reflect blue light.
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absorb yellow light.
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absorb and then reemit blue light, scattering it in all directions.
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absorb green light.
Questão 13
Questão
Sunsets are red because
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the longest path of sunlight through the atmosphere is at sunset or sunrise.
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a lot of high-frequency light is scattered by the atmosphere.
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blue light from the sun is scattered by Earth's atmosphere.
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all of the above
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none of the above
Questão 14
Questão
The true color of water is
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clear.
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greenish blue.
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sky blue.
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green.
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white.
Questão 15
Questão
The cyan color of ocean water is evidence that the water absorbs
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yellow.
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green.
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orange.
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blue.
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red.
Questão 16
Questão
When a sample of an element is heated until it glows, the color it gives off is
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a continuous band of color.
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a composite of many frequencies of light.
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a single frequency of light.
Questão 17
Questão
The colors of light emitted by incandescent gases show the
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absorbing qualities of gas.
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polarization of atoms in the gas.
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relative masses of atoms in the gas.
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identities of atoms in the gas.
Questão 18
Questão
Spectral lines in a line spectrum take the shape of lines because the
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atoms that emit the light vibrate along parallel lines.
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light emitted aligns with the gravitational field.
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slit of the spectroscope is itself a line opening.
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light is polarized.
Questão 19
Questão
The three primary colors of light for additive color mixing are
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red, green, and blue.
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yellow, green, and blue.
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red, yellow, and blue.
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red, yellow, and green.
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yellow, cyan, and red.
Questão 20
Questão
When red and green light shine on a white sheet, the resulting color is
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blue.
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green.
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yellow.
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magenta.
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cyan.
Questão 21
Questão
The complementary color of blue is
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yellow.
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cyan.
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violet.
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green.
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magenta.
Questão 22
Questão
The colored dots that make up the color on a TV screen are
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red, blue, and yellow.
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red, blue, and green.
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magenta, cyan, and yellow.
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red, green, and yellow.
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yellow, blue, and green.
Questão 23
Questão
A photograph of your favorite person's yellow sweater shows as what color on the negative?
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Green
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Orange
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Red
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Blue
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Yellow
Questão 24
Questão
Material in an object that selectively absorbs colored light is called a pigment.
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- True
- False
Questão 25
Questão
Two colors of light that add together to form black light are complementary colors.
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- True
- False
Questão 26
Questão
A spectroscope is an instrument that analyzes the colors in a light beam.
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- True
- False
Questão 27
Questão
Some electrons in atoms vibrate at a characteristic frequency that produces white light.
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- True
- False
Questão 28
Questão
If an object were completely black, you wouldn't be able to see it directly.
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- True
- False
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