Olivia Gibbs
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11th grade Physics (Color and Light) Quiz on Color and Light Test, created by Olivia Gibbs on 03/17/2015.

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Olivia Gibbs
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  • Color and Light Test

    Question 1 of 83

    1

    What is the ultimate source of electromagnetic waves?

    Select one of the following:

    • TV antennas

    • Vibrating atoms

    • Vibrating molecules

    • Vibrating charged particles

    • Radio sets

    Explanation

    Question 2 of 83

    1

    If an electron vibrates up and down 1000 times each second, it generates an electromagnetic wave having a

    Select one of the following:

    • speed of 1000 m/s.

    • wavelength of 1000 m.

    • period of 1000 s.

    • frequency of 1000 Hz.

    Explanation

    Question 3 of 83

    1

    Compared to the velocity of radio waves, the velocity of visible light waves is

    Select one of the following:

    • faster.

    • slower.

    • the same.

    Explanation

    Question 4 of 83

    1

    The main difference between a radio wave and a light wave is its

    Select one of the following:

    • speed.

    • wavelength.

    • speed and wavelength.

    • none of the above.

    Explanation

    Question 5 of 83

    1

    Compared to its speed in air, the speed of light in water is

    Select one of the following:

    • the same.

    • faster.

    • slower.

    Explanation

    Question 6 of 83

    1

    Which of the following are fundamentally different from the others?

    Select one of the following:

    • X-rays

    • Radio waves

    • Gamma rays

    • Sound waves

    • Light waves

    Explanation

    Question 7 of 83

    1

    Which of these electromagnetic waves has the shortest wavelength?

    Select one of the following:

    • X-rays

    • Light waves

    • Infrared waves

    • Radio waves

    • Ultraviolet waves

    Explanation

    Question 8 of 83

    1

    If the sun were to disappear right now, we wouldn't know about it for 8 minutes because it takes 8 minutes

    Select one of the following:

    • 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.

    Explanation

    Question 9 of 83

    1

    After randomly polarized light passes through a polarizer, it is

    Select one of the following:

    • totally blocked.

    • partially polarized.

    • totally polarized.

    • randomly polarized.

    Explanation

    Question 10 of 83

    1

    The source of all electromagnetic waves is

    Select one of the following:

    • vibrating charges.

    • electric fields.

    • magnetic fields.

    • heat.

    • none of the above.

    Explanation

    Question 11 of 83

    1

    Clouds

    Select one of the following:

    • block UV light.

    • neither block nor transmit UV light.

    • transmit UV light.

    Explanation

    Question 12 of 83

    1

    Light that reflects at glancing angles from nonmetallic surfaces, such as glass, water, or roads is

    Select one of the following:

    • randomly polarized.

    • polarized parallel to the surface.

    • polarized perpendicular to the surface.

    Explanation

    Question 13 of 83

    1

    Light does not pass through what kind of materials?

    Select one of the following:

    • Transparent

    • Opaque

    • Neither transparent nor opaque

    Explanation

    Question 14 of 83

    1

    Solar eclipses are seen less commonly than lunar eclipses because

    Select one of the following:

    • 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.

    Explanation

    Question 15 of 83

    1

    How far is a light-second?

    Select one of the following:

    • 18,000,000 km

    • 9,000,000 km

    • 5,000 km

    • 300,000 km

    • 95,000,000,000 km

    Explanation

    Question 16 of 83

    1

    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

    Select one of the following:

    • zero.

    • twice as much.

    • half as much.

    • the same.

    Explanation

    Question 17 of 83

    1

    The shiny surfaces of metals have most to do with

    Select one of the following:

    • 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.

    Explanation

    Question 18 of 83

    1

    Electromagnetic waves are

    Select one of the following:

    • longitudinal waves.

    • transverse waves.

    Explanation

    Question 19 of 83

    1

    Glass is transparent to visible light, but not to

    Select one of the following:

    • infrared.

    • ultraviolet.

    • infrared and ultraviolet.

    • none of the above.

    Explanation

    Question 20 of 83

    1

    Compared to the wavelength of ultraviolet waves, the wavelength of infrared waves is

    Select one of the following:

    • shorter.

    • longer.

    • the same.

    Explanation

    Question 21 of 83

    1

    Heat lamps give off mostly

    Select one of the following:

    • X-rays.

    • infrared waves.

    • radio waves.

    • ultraviolet waves.

    • microwaves.

    Explanation

    Question 22 of 83

    1

    Electromagnetic waves with higher frequencies have wavelengths that are

    Select one of the following:

    • shorter.

    • longer.

    Explanation

    Question 23 of 83

    1

    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?

    Select one of the following:

    • 50%

    • Between 50% and 100%

    • Between 0% and 50%

    • 0%

    • 100%

    Explanation

    Question 24 of 83

    1

    Electromagnetic waves

    Select one of the following:

    • can travel through a vacuum.

    • need a medium to travel through.

    Explanation

    Question 25 of 83

    1

    Light reflected from a lake surface is polarized

    Select one of the following:

    • randomly.

    • vertically.

    • horizontally.

    Explanation

    Question 26 of 83

    1

    Which of the following is NOT an electromagnetic wave?

    Select one of the following:

    • Light

    • Infrared

    • X-ray

    • Sound

    • Radio

    Explanation

    Question 27 of 83

    1

    What is the frequency of an electromagnetic wave having a wavelength of 300,00 km?

    Select one of the following:

    • Less than 1 Hz

    • More than 1 Hz

    • 1 Hz

    Explanation

    Question 28 of 83

    1

    Electromagnetic waves

    Select one of the following:

    • need a medium to travel through.

    • can travel through a vacuum.

    Explanation

    Question 29 of 83

    1

    What is the wavelength of an electromagnetic wave that has a frequency of 1 Hz?

    Select one of the following:

    • 1 m

    • Less than 1 m

    • More than 1 m

    Explanation

    Question 30 of 83

    1

    The primary purpose of polarized sunglasses is

    Select one of the following:

    • to block ultraviolet rays.

    • to block infrared rays.

    • to block glare from reflections.

    • to look cool.

    Explanation

    Question 31 of 83

    1

    Because of absorption, a polarizing filter will actually transmit 40% of incident non-polarized light. Two polarizing filters with their axes aligned will transmit

    Select one of the following:

    • 0%.

    • between 0% and 40%.

    • 40%.

    • between 40% and 100%.

    • 100%.

    Explanation

    Question 32 of 83

    1

    Infrared waves are responsible for sunburn.

    Select one of the following:

    • True
    • False

    Explanation

    Question 33 of 83

    1

    A thin beam of light is called an X-ray.

    Select one of the following:

    • True
    • False

    Explanation

    Question 34 of 83

    1

    Glass transmits ultraviolet and visible light waves but not infrared waves.

    Select one of the following:

    • True
    • False

    Explanation

    Question 35 of 83

    1

    The distance light travels in one year is called light-year.

    Select one of the following:

    • True
    • False

    Explanation

    Question 36 of 83

    1

    Materials that allow light to pass through them in straight lines are called opaque materials.

    Select one of the following:

    • True
    • False

    Explanation

    Question 37 of 83

    1

    Polarization occurs when waves vibrate in a single direction.

    Select one of the following:

    • True
    • False

    Explanation

    Question 38 of 83

    1

    Energy emitted by vibrating electric charges is carried by electromagnetic waves.

    Select one of the following:

    • True
    • False

    Explanation

    Question 39 of 83

    1

    A total shadow is called an umbra.

    Select one of the following:

    • True
    • False

    Explanation

    Question 40 of 83

    1

    Light sometimes acts as a wave and sometimes as a particle.

    Select one of the following:

    • True
    • False

    Explanation

    Question 41 of 83

    1

    According to Einstein, light consists of massless bundles of electromagnetic energy called photons.

    Select one of the following:

    • True
    • False

    Explanation

    Question 42 of 83

    1

    Electromagnetic heat waves are called ultraviolet waves.

    Select one of the following:

    • True
    • False

    Explanation

    Question 43 of 83

    1

    The color of an object we see is determined by the

    Select one of the following:

    • 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.

    Explanation

    Question 44 of 83

    1

    Sunlight contains all colors of light, but much of it is

    Select one of the following:

    • orange.

    • blue.

    • violet.

    • yellow.

    • red.

    Explanation

    Question 45 of 83

    1

    Light shines on a pane of green glass and a pane of clear glass. The temperature will be

    Select one of the following:

    • higher in the clear glass.

    • higher in the green glass.

    • the same in each.

    Explanation

    Question 46 of 83

    1

    Colors seen on TV result from color

    Select one of the following:

    • subtraction.

    • addition.

    • none of the above.

    Explanation

    Question 47 of 83

    1

    Different colors of light correspond to different light

    Select one of the following:

    • frequencies.

    • polarities.

    • intensities.

    • velocities.

    • none of the above

    Explanation

    Question 48 of 83

    1

    When blue and yellow paints are mixed together, the result is green. The reason for this is that

    Select one of the following:

    • 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.

    Explanation

    Question 49 of 83

    1

    Magenta light is really a mixture of

    Select one of the following:

    • red and yellow light.

    • red and cyan light.

    • yellow and green light.

    • red and blue light.

    • none of the above

    Explanation

    Question 50 of 83

    1

    The color of an opaque object is determined by the light that is

    Select one of the following:

    • absorbed.

    • reflected.

    • transmitted.

    • all of the above

    • none of the above

    Explanation

    Question 51 of 83

    1

    If sunlight were green instead of white, the most comfortable color to wear on a hot day would be

    Select one of the following:

    • yellow.

    • blue.

    • green.

    • magenta.

    • none of the above

    Explanation

    Question 52 of 83

    1

    If molecules in the sky scattered orange light instead blue light, sunsets would be colored

    Select one of the following:

    • yellow.

    • blue.

    • green.

    • orange.

    • none of the above

    Explanation

    Question 53 of 83

    1

    If the atmosphere were 50 times thicker than it now is, the sun would appear

    Select one of the following:

    • blue-violet.

    • orange-green.

    • red-orange.

    • green-blue.

    • none of the above

    Explanation

    Question 54 of 83

    1

    The reason the sky is blue is that air molecules

    Select one of the following:

    • are blue.

    • reflect blue light.

    • absorb yellow light.

    • absorb and then reemit blue light, scattering it in all directions.

    • absorb green light.

    Explanation

    Question 55 of 83

    1

    Sunsets are red because

    Select one of the following:

    • 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

    Explanation

    Question 56 of 83

    1

    The true color of water is

    Select one of the following:

    • clear.

    • greenish blue.

    • sky blue.

    • green.

    • white.

    Explanation

    Question 57 of 83

    1

    The cyan color of ocean water is evidence that the water absorbs

    Select one of the following:

    • yellow.

    • green.

    • orange.

    • blue.

    • red.

    Explanation

    Question 58 of 83

    1

    When a sample of an element is heated until it glows, the color it gives off is

    Select one of the following:

    • a continuous band of color.

    • a composite of many frequencies of light.

    • a single frequency of light.

    Explanation

    Question 59 of 83

    1

    The colors of light emitted by incandescent gases show the

    Select one of the following:

    • absorbing qualities of gas.

    • polarization of atoms in the gas.

    • relative masses of atoms in the gas.

    • identities of atoms in the gas.

    Explanation

    Question 60 of 83

    1

    The three primary colors of light for additive color mixing are

    Select one of the following:

    • red, green, and blue.

    • yellow, green, and blue.

    • red, yellow, and blue.

    • red, yellow, and green.

    • yellow, cyan, and red.

    Explanation

    Question 61 of 83

    1

    When red and green light shine on a white sheet, the resulting color is

    Select one of the following:

    • blue.

    • green.

    • yellow.

    • magenta.

    • cyan.

    Explanation

    Question 62 of 83

    1

    The complementary color of blue is

    Select one of the following:

    • yellow.

    • cyan.

    • violet.

    • green.

    • magenta.

    Explanation

    Question 63 of 83

    1

    The colored dots that make up the color on a TV screen are

    Select one of the following:

    • red, blue, and yellow.

    • red, blue, and green.

    • magenta, cyan, and yellow.

    • red, green, and yellow.

    • yellow, blue, and green.

    Explanation

    Question 64 of 83

    1

    Spectral lines in a line spectrum take the shape of lines because the

    Select one of the following:

    • 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.

    Explanation

    Question 65 of 83

    1

    A photograph of your favorite person's yellow sweater shows as what color on the negative?

    Select one of the following:

    • Green

    • Orange

    • Red

    • Blue

    • Yellow

    Explanation

    Question 66 of 83

    1

    Material in an object that selectively absorbs colored light is called a pigment.

    Select one of the following:

    • True
    • False

    Explanation

    Question 67 of 83

    1

    Two colors of light that add together to form black light are complementary colors.

    Select one of the following:

    • True
    • False

    Explanation

    Question 68 of 83

    1

    A spectroscope is an instrument that analyzes the colors in a light beam.

    Select one of the following:

    • True
    • False

    Explanation

    Question 69 of 83

    1

    Some electrons in atoms vibrate at a characteristic frequency that produces white light.

    Select one of the following:

    • True
    • False

    Explanation

    Question 70 of 83

    1

    If an object were completely black, you wouldn't be able to see it directly.

    Select one of the following:

    • True
    • False

    Explanation

    Question 71 of 83

    1

    If you're looking for an instrument that tells what stars are made of, look for a

    Select one of the following:

    • spectroscope.

    • telescope.

    • stellar microscope.

    • stethoscope.

    Explanation

    Question 72 of 83

    1

    The complementary color of green is

    Select one of the following:

    • red.

    • magenta.

    • green.

    • yellow.

    • cyan.

    Explanation

    Question 73 of 83

    1

    A sheet of red paper will look black when illuminated with

    Select one of the following:

    • cyan light.

    • red light.

    • magenta light.

    • yellow light.

    • none of the above

    Explanation

    Question 74 of 83

    1

    The white caps of waves as they overturn are evidence that the water has

    Select one of the following:

    • broken into an assortment of tiny particles that scatter all colors.

    • lost its transparency.

    • absorbed back

    • reflected red, green, and blue light.

    Explanation

    Question 75 of 83

    1

    Humans are most sensitive to light that is

    Select one of the following:

    • yellow-green.

    • white.

    • green-blue.

    • red.

    • black.

    Explanation

    Question 76 of 83

    1

    A tennis ball is most easily seen if its color is

    Select one of the following:

    • black.

    • violet.

    • yellow-green.

    • white.

    Explanation

    Question 77 of 83

    1

    When red and green light shine on a white sheet, the resulting color is

    Select one of the following:

    • green.

    • blue.

    • yellow.

    • cyan.

    • magenta.

    Explanation

    Question 78 of 83

    1

    Earth receives a lot of ultraviolet radiation from the sun. Luckily most of it does't reach the ground, because it is

    Select one of the following:

    • 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.

    Explanation

    Question 79 of 83

    1

    The sky is blue because air molecules in the sky act as tiny

    Select one of the following:

    • resonators that scatter blue light.

    • mirrors that reflect only blue light.

    • sources of white light.

    • prisms.

    • none of the above

    Explanation

    Question 80 of 83

    1

    The three paint colors that are useful for color subtraction are

    Select one of the following:

    • red, green, and blue.

    • magenta, cyan, and yellow.

    • red, blue, and yellow.

    • magenta, cyan, and red.

    • magenta, green, and yellow.

    Explanation

    Question 81 of 83

    1

    Complementary colors are two colors that

    Select one of the following:

    • 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

    Explanation

    Question 82 of 83

    1

    The sky is blue because air molecules absorb blue light.

    Select one of the following:

    • True
    • False

    Explanation

    Question 83 of 83

    1

    Tennis balls are yellow-green because our eyes are most sensitive to that color.

    Select one of the following:

    • True
    • False

    Explanation