Question 1

Instructions: Choose one answer from each pair of selections. A(n) INFERIOR | SUPERIOR mirage can sometimes be seen in the distance while standing on a snow surface during winter.

Accepted Answer

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Question 2

Mirages, halos, and rainbows are all optical phenomena produced by the refraction of light.

Accepted Answer

Mirages, halos, and rainbows are all caused by the bending of light due to variations in the density of the air or the presence of water droplets in the atmosphere, which causes the light to refract and create these optical illusions.

Question 3

How does the density of a material affect light?

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Question 4

Instructions: Choose one answer from each pair of selections. The sun often appears redder as it sets, which means that MORE | LESS blue light is scattered as the sunlight passes through the atmosphere.

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Question 5

Describe the terms "reflected" and "scattered" as they relate to light.

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Question 6

Instructions: Choose one answer from each pair of selections. When white light passes through a glass prism, RED | VIOLET light bends the least.

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Question 7

A sky with a deep blue color indicates high humidity.

Accepted Answer

The color of the sky does not indicate humidity levels.

Question 8

How does light create a rainbow?

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Question 9

Mirages can be produced by either a very cold or very hot layer of air next to the ground.

Accepted Answer

Mirages occur when there is a sharp temperature gradient in the air near the ground, usually caused by a very cold or very hot layer of air.

Question 10

Where does a halo occur, and what does one look like?

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Question 11

What is meant by the term dispersion?

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Question 12

Instructions: Choose one answer from each pair of selections. To see a rainbow in the morning, you should look TOWARD | AWAY FROM the sun.

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Question 13

Instructions: Choose one answer from each pair of selections. A tangent arc may sometimes be seen above a HALO | SUN PILLAR.

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Question 14

The primary rainbow is produced by raindrops falling below a cloud; the secondary bow is produced by frozen precipitation.

Accepted Answer

The primary rainbow is produced by the reflection, refraction, and dispersion of light as it enters a raindrop and then exits back out. The secondary rainbow is produced by a double reflection of light inside a raindrop, creating a second, dimmer bow. The type of precipitation (rain or frozen) does not affect the creation of the rainbows.

Question 15

Instructions: Choose one answer from each pair of selections. The sky appears blue because air molecules are LARGER | SMALLER than the wavelength of visible light and selectively scatter the shorter wavelengths.

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Question 16

Instructions: Choose one answer from each pair of selections. Because of the bending of sunlight by the atmosphere, the sun will appear to rise about two minutes EARLIER | LATER than it would if there were no atmosphere.

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Question 17

Instructions: Choose one answer from each pair of selections. The most common type of halo is the 22° | 46° halo.

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Question 18

Because of refraction, a star appears to be higher in the sky than it actually is.

Accepted Answer

Refraction causes the light from the star to bend as it passes through Earth's atmosphere, making it appear higher in the sky than it actually is.

Question 19

Instructions: Choose one answer from each pair of selections. To see a sundog or halo, it is important that the cloud be composed of ICE CRYSTALS | WATER VAPOR.

Accepted Answer

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Question 20

Instructions: Choose one answer from each pair of selections. To see the secondary rainbow, you should look ABOVE | BELOW the primary rainbow.

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Quiz 15: Light, Color, and Atmospheric Optics

Instructions: Choose one answer from each pair of selections. A(n) INFERIOR | SUPERIOR mirage can sometimes be seen in the distance while standing on a snow surface during winter.

Mirages, halos, and rainbows are all optical phenomena produced by the refraction of light.

How does the density of a material affect light?

Instructions: Choose one answer from each pair of selections. The sun often appears redder as it sets, which means that MORE | LESS blue light is scattered as the sunlight passes through the atmosphere.

Describe the terms "reflected" and "scattered" as they relate to light.

Instructions: Choose one answer from each pair of selections. When white light passes through a glass prism, RED | VIOLET light bends the least.

A sky with a deep blue color indicates high humidity.

How does light create a rainbow?

Mirages can be produced by either a very cold or very hot layer of air next to the ground.

Where does a halo occur, and what does one look like?

What is meant by the term dispersion?

Instructions: Choose one answer from each pair of selections. To see a rainbow in the morning, you should look TOWARD | AWAY FROM the sun.

Instructions: Choose one answer from each pair of selections. A tangent arc may sometimes be seen above a HALO | SUN PILLAR.

The primary rainbow is produced by raindrops falling below a cloud; the secondary bow is produced by frozen precipitation.

Instructions: Choose one answer from each pair of selections. The sky appears blue because air molecules are LARGER | SMALLER than the wavelength of visible light and selectively scatter the shorter wavelengths.

Instructions: Choose one answer from each pair of selections. Because of the bending of sunlight by the atmosphere, the sun will appear to rise about two minutes EARLIER | LATER than it would if there were no atmosphere.

Instructions: Choose one answer from each pair of selections. The most common type of halo is the 22° | 46° halo.

Because of refraction, a star appears to be higher in the sky than it actually is.

Instructions: Choose one answer from each pair of selections. To see a sundog or halo, it is important that the cloud be composed of ICE CRYSTALS | WATER VAPOR.

Instructions: Choose one answer from each pair of selections. To see the secondary rainbow, you should look ABOVE | BELOW the primary rainbow.