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 mediums

• 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 travels in a straight line unless it interacts with a medium

• Visible light needs to travel through a medium

• White light can be split during the process of refraction

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What is an example of reflection?

• Stars twinkling on a clear night

• Using sunglasses to decrease the brightness of light

• Seeing an image of a nearby tree on a car

• Blackout curtains restricting the light in a room

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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 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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Which medium transmits and splits white light?

• A

• B

• C

• D

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What is an effect of refraction?

• Light bounces off luminous objects

• The wavelength of light remains constant

• The apparent location of an object changes

• All options are true

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Which factors determine the behavior of light?

• Wavelength and the number of wavelengths in a given time period

• Source of the light and the amount that is transmitted

• Direction of the light rays and the amount of absorption

• Height of the wave and its visibility to the human eye

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What is true about the electromagnetic 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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