Color and Light Test

Beschreibung

11th grade Physics (Color and Light) Quiz am Color and Light Test, erstellt von Olivia Gibbs am 17/03/2015.
Olivia Gibbs
Quiz von Olivia Gibbs, aktualisiert more than 1 year ago
Olivia Gibbs
Erstellt von Olivia Gibbs vor etwa 9 Jahre
49
1

Zusammenfassung der Ressource

Frage 1

Frage
What is the ultimate source of electromagnetic waves?
Antworten
  • TV antennas
  • Vibrating atoms
  • Vibrating molecules
  • Vibrating charged particles
  • Radio sets

Frage 2

Frage
If an electron vibrates up and down 1000 times each second, it generates an electromagnetic wave having a
Antworten
  • speed of 1000 m/s.
  • wavelength of 1000 m.
  • period of 1000 s.
  • frequency of 1000 Hz.

Frage 3

Frage
Compared to the velocity of radio waves, the velocity of visible light waves is
Antworten
  • faster.
  • slower.
  • the same.

Frage 4

Frage
The main difference between a radio wave and a light wave is its
Antworten
  • speed.
  • wavelength.
  • speed and wavelength.
  • none of the above.

Frage 5

Frage
Compared to its speed in air, the speed of light in water is
Antworten
  • the same.
  • faster.
  • slower.

Frage 6

Frage
Which of the following are fundamentally different from the others?
Antworten
  • X-rays
  • Radio waves
  • Gamma rays
  • Sound waves
  • Light waves

Frage 7

Frage
Which of these electromagnetic waves has the shortest wavelength?
Antworten
  • X-rays
  • Light waves
  • Infrared waves
  • Radio waves
  • Ultraviolet waves

Frage 8

Frage
If the sun were to disappear right now, we wouldn't know about it for 8 minutes because it takes 8 minutes
Antworten
  • for light to travel from the sun to Earth.
  • to operate receiving equipment in the dark.
  • for the sun to disappear.
  • all of the above.
  • none of the above.

Frage 9

Frage
After randomly polarized light passes through a polarizer, it is
Antworten
  • totally blocked.
  • partially polarized.
  • totally polarized.
  • randomly polarized.

Frage 10

Frage
The source of all electromagnetic waves is
Antworten
  • vibrating charges.
  • electric fields.
  • magnetic fields.
  • heat.
  • none of the above.

Frage 11

Frage
Clouds
Antworten
  • block UV light.
  • neither block nor transmit UV light.
  • transmit UV light.

Frage 12

Frage
Light that reflects at glancing angles from nonmetallic surfaces, such as glass, water, or roads is
Antworten
  • randomly polarized.
  • polarized parallel to the surface.
  • polarized perpendicular to the surface.

Frage 13

Frage
Light does not pass through what kind of materials?
Antworten
  • Transparent
  • Opaque
  • Neither transparent nor opaque

Frage 14

Frage
Solar eclipses are seen less commonly than lunar eclipses because
Antworten
  • the sun is so much larger than the moon.
  • the sun is farther from Earth than is the moon.
  • Earth's shadow on the moon is larger than the moon's shadow on Earth.
  • solar eclipses don't happen as often as lunar eclipses.
  • none of the above.

Frage 15

Frage
How far is a light-second?
Antworten
  • 18,000,000 km
  • 9,000,000 km
  • 5,000 km
  • 300,000 km
  • 95,000,000,000 km

Frage 16

Frage
If two polarizing filters are held with their polarization axes at right angles to each other, the amount of light transmitted compared to when their axes are parallel is
Antworten
  • zero.
  • twice as much.
  • half as much.
  • the same.

Frage 17

Frage
The shiny surfaces of metals have most to do with
Antworten
  • a resonant frequency of electrons in the metal.
  • the fact that light reflects from metals.
  • metals; relatively high density.
  • the free electrons in metal atoms.

Frage 18

Frage
Electromagnetic waves are
Antworten
  • longitudinal waves.
  • transverse waves.

Frage 19

Frage
Glass is transparent to visible light, but not to
Antworten
  • infrared.
  • ultraviolet.
  • infrared and ultraviolet.
  • none of the above.

Frage 20

Frage
Compared to the wavelength of ultraviolet waves, the wavelength of infrared waves is
Antworten
  • shorter.
  • longer.
  • the same.

Frage 21

Frage
Heat lamps give off mostly
Antworten
  • X-rays.
  • infrared waves.
  • radio waves.
  • ultraviolet waves.
  • microwaves.

Frage 22

Frage
Electromagnetic waves with higher frequencies have wavelengths that are
Antworten
  • shorter.
  • longer.

Frage 23

Frage
An ideal polarizing filter will transmit 50% of non-polarized light incident on it. How much light is transmitted by two ideal polarizing filters that are oriented with their axes parallel to each other?
Antworten
  • 50%
  • Between 50% and 100%
  • Between 0% and 50%
  • 0%
  • 100%

Frage 24

Frage
Electromagnetic waves
Antworten
  • can travel through a vacuum.
  • need a medium to travel through.

Frage 25

Frage
Light reflected from a lake surface is polarized
Antworten
  • randomly.
  • vertically.
  • horizontally.

Frage 26

Frage
Which of the following is NOT an electromagnetic wave?
Antworten
  • Light
  • Infrared
  • X-ray
  • Sound
  • Radio

Frage 27

Frage
What is the frequency of an electromagnetic wave having a wavelength of 300,00 km?
Antworten
  • Less than 1 Hz
  • More than 1 Hz
  • 1 Hz

Frage 28

Frage
Electromagnetic waves
Antworten
  • need a medium to travel through.
  • can travel through a vacuum.

Frage 29

Frage
What is the wavelength of an electromagnetic wave that has a frequency of 1 Hz?
Antworten
  • 1 m
  • Less than 1 m
  • More than 1 m

Frage 30

Frage
The primary purpose of polarized sunglasses is
Antworten
  • to block ultraviolet rays.
  • to block infrared rays.
  • to block glare from reflections.
  • to look cool.

Frage 31

Frage
Because of absorption, a polarizing filter will actually transmit 40% of incident non-polarized light. Two polarizing filters with their axes aligned will transmit
Antworten
  • 0%.
  • between 0% and 40%.
  • 40%.
  • between 40% and 100%.
  • 100%.

Frage 32

Frage
Infrared waves are responsible for sunburn.
Antworten
  • True
  • False

Frage 33

Frage
A thin beam of light is called an X-ray.
Antworten
  • True
  • False

Frage 34

Frage
Glass transmits ultraviolet and visible light waves but not infrared waves.
Antworten
  • True
  • False

Frage 35

Frage
The distance light travels in one year is called light-year.
Antworten
  • True
  • False

Frage 36

Frage
Materials that allow light to pass through them in straight lines are called opaque materials.
Antworten
  • True
  • False

Frage 37

Frage
Polarization occurs when waves vibrate in a single direction.
Antworten
  • True
  • False

Frage 38

Frage
Energy emitted by vibrating electric charges is carried by electromagnetic waves.
Antworten
  • True
  • False

Frage 39

Frage
A total shadow is called an umbra.
Antworten
  • True
  • False

Frage 40

Frage
Light sometimes acts as a wave and sometimes as a particle.
Antworten
  • True
  • False

Frage 41

Frage
According to Einstein, light consists of massless bundles of electromagnetic energy called photons.
Antworten
  • True
  • False

Frage 42

Frage
Electromagnetic heat waves are called ultraviolet waves.
Antworten
  • True
  • False

Frage 43

Frage
The color of an object we see is determined by the
Antworten
  • colors of light reflected by the object.
  • frequencies of light absorbed by the object.
  • colors of light shining on the object.
  • frequencies of light reflected by the object.
  • all of the above.

Frage 44

Frage
Sunlight contains all colors of light, but much of it is
Antworten
  • orange.
  • blue.
  • violet.
  • yellow.
  • red.

Frage 45

Frage
Light shines on a pane of green glass and a pane of clear glass. The temperature will be
Antworten
  • higher in the clear glass.
  • higher in the green glass.
  • the same in each.

Frage 46

Frage
Colors seen on TV result from color
Antworten
  • subtraction.
  • addition.
  • none of the above.

Frage 47

Frage
Different colors of light correspond to different light
Antworten
  • frequencies.
  • polarities.
  • intensities.
  • velocities.
  • none of the above

Frage 48

Frage
When blue and yellow paints are mixed together, the result is green. The reason for this is that
Antworten
  • blue and yellow are complementary colors.
  • yellow pigments absorb green light and reflect all the others.
  • blue reflects only blue light, and yellow reflects almost all colors of light.
  • between blue and yellow pigments, all colors are absorbed except green.
  • blue absorbs yellow light and yellow absorbs blue light.

Frage 49

Frage
Magenta light is really a mixture of
Antworten
  • red and yellow light.
  • red and cyan light.
  • yellow and green light.
  • red and blue light.
  • none of the above

Frage 50

Frage
The color of an opaque object is determined by the light that is
Antworten
  • absorbed.
  • reflected.
  • transmitted.
  • all of the above
  • none of the above

Frage 51

Frage
If sunlight were green instead of white, the most comfortable color to wear on a hot day would be
Antworten
  • yellow.
  • blue.
  • green.
  • magenta.
  • none of the above

Frage 52

Frage
If molecules in the sky scattered orange light instead blue light, sunsets would be colored
Antworten
  • yellow.
  • blue.
  • green.
  • orange.
  • none of the above

Frage 53

Frage
If the atmosphere were 50 times thicker than it now is, the sun would appear
Antworten
  • blue-violet.
  • orange-green.
  • red-orange.
  • green-blue.
  • none of the above

Frage 54

Frage
The reason the sky is blue is that air molecules
Antworten
  • are blue.
  • reflect blue light.
  • absorb yellow light.
  • absorb and then reemit blue light, scattering it in all directions.
  • absorb green light.

Frage 55

Frage
Sunsets are red because
Antworten
  • the longest path of sunlight through the atmosphere is at sunset or sunrise.
  • a lot of high-frequency light is scattered by the atmosphere.
  • blue light from the sun is scattered by Earth's atmosphere.
  • all of the above
  • none of the above

Frage 56

Frage
The true color of water is
Antworten
  • clear.
  • greenish blue.
  • sky blue.
  • green.
  • white.

Frage 57

Frage
The cyan color of ocean water is evidence that the water absorbs
Antworten
  • yellow.
  • green.
  • orange.
  • blue.
  • red.

Frage 58

Frage
When a sample of an element is heated until it glows, the color it gives off is
Antworten
  • a continuous band of color.
  • a composite of many frequencies of light.
  • a single frequency of light.

Frage 59

Frage
The colors of light emitted by incandescent gases show the
Antworten
  • absorbing qualities of gas.
  • polarization of atoms in the gas.
  • relative masses of atoms in the gas.
  • identities of atoms in the gas.

Frage 60

Frage
The three primary colors of light for additive color mixing are
Antworten
  • red, green, and blue.
  • yellow, green, and blue.
  • red, yellow, and blue.
  • red, yellow, and green.
  • yellow, cyan, and red.

Frage 61

Frage
When red and green light shine on a white sheet, the resulting color is
Antworten
  • blue.
  • green.
  • yellow.
  • magenta.
  • cyan.

Frage 62

Frage
The complementary color of blue is
Antworten
  • yellow.
  • cyan.
  • violet.
  • green.
  • magenta.

Frage 63

Frage
The colored dots that make up the color on a TV screen are
Antworten
  • red, blue, and yellow.
  • red, blue, and green.
  • magenta, cyan, and yellow.
  • red, green, and yellow.
  • yellow, blue, and green.

Frage 64

Frage
Spectral lines in a line spectrum take the shape of lines because the
Antworten
  • atoms that emit the light vibrate along parallel lines.
  • light emitted aligns with the gravitational field.
  • slit of the spectroscope is itself a line opening.
  • light is polarized.

Frage 65

Frage
A photograph of your favorite person's yellow sweater shows as what color on the negative?
Antworten
  • Green
  • Orange
  • Red
  • Blue
  • Yellow

Frage 66

Frage
Material in an object that selectively absorbs colored light is called a pigment.
Antworten
  • True
  • False

Frage 67

Frage
Two colors of light that add together to form black light are complementary colors.
Antworten
  • True
  • False

Frage 68

Frage
A spectroscope is an instrument that analyzes the colors in a light beam.
Antworten
  • True
  • False

Frage 69

Frage
Some electrons in atoms vibrate at a characteristic frequency that produces white light.
Antworten
  • True
  • False

Frage 70

Frage
If an object were completely black, you wouldn't be able to see it directly.
Antworten
  • True
  • False

Frage 71

Frage
If you're looking for an instrument that tells what stars are made of, look for a
Antworten
  • spectroscope.
  • telescope.
  • stellar microscope.
  • stethoscope.

Frage 72

Frage
The complementary color of green is
Antworten
  • red.
  • magenta.
  • green.
  • yellow.
  • cyan.

Frage 73

Frage
A sheet of red paper will look black when illuminated with
Antworten
  • cyan light.
  • red light.
  • magenta light.
  • yellow light.
  • none of the above

Frage 74

Frage
The white caps of waves as they overturn are evidence that the water has
Antworten
  • broken into an assortment of tiny particles that scatter all colors.
  • lost its transparency.
  • absorbed back
  • reflected red, green, and blue light.

Frage 75

Frage
Humans are most sensitive to light that is
Antworten
  • yellow-green.
  • white.
  • green-blue.
  • red.
  • black.

Frage 76

Frage
A tennis ball is most easily seen if its color is
Antworten
  • black.
  • violet.
  • yellow-green.
  • white.

Frage 77

Frage
When red and green light shine on a white sheet, the resulting color is
Antworten
  • green.
  • blue.
  • yellow.
  • cyan.
  • magenta.

Frage 78

Frage
Earth receives a lot of ultraviolet radiation from the sun. Luckily most of it does't reach the ground, because it is
Antworten
  • scattered by the upper atmosphere.
  • absorbed by a protective layer of ozone gas in the upper atmosphere.
  • absorbed by the large amount of air in the atmosphere.
  • Actually, there isn't enough UV radiation coming from the sun to harm us.

Frage 79

Frage
The sky is blue because air molecules in the sky act as tiny
Antworten
  • resonators that scatter blue light.
  • mirrors that reflect only blue light.
  • sources of white light.
  • prisms.
  • none of the above

Frage 80

Frage
The three paint colors that are useful for color subtraction are
Antworten
  • red, green, and blue.
  • magenta, cyan, and yellow.
  • red, blue, and yellow.
  • magenta, cyan, and red.
  • magenta, green, and yellow.

Frage 81

Frage
Complementary colors are two colors that
Antworten
  • are next to each other on the color chart.
  • produce white light when added together.
  • look good together.
  • are primary colors.
  • none of the above

Frage 82

Frage
The sky is blue because air molecules absorb blue light.
Antworten
  • True
  • False

Frage 83

Frage
Tennis balls are yellow-green because our eyes are most sensitive to that color.
Antworten
  • True
  • False
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