Color and Light Test

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What is the ultimate source of electromagnetic waves?

1

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

1

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

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

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

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Which of the following are fundamentally different from the others?

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Which of these electromagnetic waves has the shortest wavelength?

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

1

After randomly polarized light passes through a polarizer, it is

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The source of all electromagnetic waves is

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Clouds

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

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Light does not pass through what kind of materials?

1

Solar eclipses are seen less commonly than lunar eclipses because

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How far is a light-second?

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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

1

The shiny surfaces of metals have most to do with

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Electromagnetic waves are

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Glass is transparent to visible light, but not to

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

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Heat lamps give off mostly

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Electromagnetic waves with higher frequencies have wavelengths that are

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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?

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Electromagnetic waves

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Light reflected from a lake surface is polarized

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Which of the following is NOT an electromagnetic wave?

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

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Electromagnetic waves

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

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The primary purpose of polarized sunglasses is

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

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Infrared waves are responsible for sunburn.

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

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

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

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

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Polarization occurs when waves vibrate in a single direction.

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

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A total shadow is called an umbra.

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

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

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Electromagnetic heat waves are called ultraviolet waves.

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The color of an object we see is determined by the

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

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

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Colors seen on TV result from color

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Different colors of light correspond to different light

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

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Magenta light is really a mixture of

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

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

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

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

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The reason the sky is blue is that air molecules

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Sunsets are red because

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The true color of water is

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

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

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The colors of light emitted by incandescent gases show the

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The three primary colors of light for additive color mixing are

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

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The complementary color of blue is

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

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

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

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

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

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

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

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

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

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The complementary color of green is

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A sheet of red paper will look black when illuminated with

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

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Humans are most sensitive to light that is

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A tennis ball is most easily seen if its color is

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

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

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

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The three paint colors that are useful for color subtraction are

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Complementary colors are two colors that

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The sky is blue because air molecules absorb blue light.

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

11th grade Physics (Color and Light) Quiz sobre Color and Light Test, criado por Olivia Gibbs em 17-03-2015.

Color and Light Test

What is the ultimate source of electromagnetic waves?

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

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

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

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

Which of the following are fundamentally different from the others?

Which of these electromagnetic waves has the shortest wavelength?

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

After randomly polarized light passes through a polarizer, it is

The source of all electromagnetic waves is

Clouds

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

Light does not pass through what kind of materials?

Solar eclipses are seen less commonly than lunar eclipses because

How far is a light-second?

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

The shiny surfaces of metals have most to do with

Electromagnetic waves are

Glass is transparent to visible light, but not to

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