Light Quiz

What evidence supports the idea that the light we see from stars takes hundreds of years to reach us?

• Light is slowed down by gases in outer space.

• The stars are massive.

• The stars are far away.

• Light is reflected off other stars.

Which description applies to light?

• Behaves like a wave and a particle.

• Travels at different speeds through different media.

• Is a form of energy

• All options are true.

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Which statement is supported by the above image?

• Light moves through space without slowing down.

• Light moves in a straight line unless it interacts with a medium.

• Visible light needs to travel through a medium.

• White light can split during the process of refraction.

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Which material converts the greatest amount of light energy to heat energy?

• Black Fur

• Red Paint

• White Paper

• Purple Sweater

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What is an example of reflection?

• Stars twinkling on a clear night

• Using sunglasses to decrease the brightness of light

• Visible light needs to travSeeing an image of a nearby tree on a car

• Blackout curtains restricting the light in a room

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What happens when light is completely transmitted through an object?

• Light rays change directions

• The brightness of the transmitted light increases

• Light rays refract as they enter the object

• The object absorbs and reflects little to no light

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What is an effect of refraction?

• Light bounces off luminous objects

• The wavelength of light changes

• The apparent location of an object changes

• All options are true

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Which concept creates the most spinning motion in a radiometer?

• Wavelength

• Absorption

• Reflection

• All options are true

Which image splits and transmits white light?

• A

• B

• C

• D

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What is true about the E/M Spectrum?

• It shows how frequency increases as wavelength increases

• It excludes radio or ultraviolet waves

• It showcases all forms of energy

• It includes all types of light

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