Exam 20: Light - Color and Atmospheric Optics

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____________________ scattering is most noticeable when particles of dust, salt, or smoke are about the same size as the wavelengths of visible light (or between about 0.1 and 1 µm).

(Short Answer)

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Question 81

For blue Suns to appear, the size of the suspended particles must be ____.

(Multiple Choice)

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Question 82

Which statement is true about rainbows?

(Multiple Choice)

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Question 83

Which events are caused by the refraction of light through ice crystals?

(Multiple Choice)

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Question 84

____ lasts from sunset until the sun is 6° below the horizon.

(Multiple Choice)

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Question 85

Plants appear green to us because they ____.

(Multiple Choice)

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Question 86

A ring of light encircling the sun or moon could be either ____.

(Multiple Choice)

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Question 87

Why does the Sun usually appear white to the human eye? How do stars that are cooler, hotter, and about the same temperature compare to the Sun?

(Essay)

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Question 88

Compare a corona of the moon to dropping a small stone into a pond.

(Essay)

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Question 89

Fata Morgana are most commonly seen ____.

(Multiple Choice)

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Question 90

A star much hotter than our Sun radiates more energy at shorter wavelengths and thus appears redder.

(True/False)

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Question 91

The Sun radiates almost half of its energy as visible light.

(True/False)

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Question 92

If a person sees a rainbow in the morning, they are facing west, toward the rain shower, and it is likely that the clouds and showers will move away from them.

(True/False)

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Question 93

A superior mirage occurs when the air near the ground is much warmer than the air above, and objects not only appear to be lower than they really are, but also inverted.

(True/False)

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Question 94

Why do stars "twinkle"?

(Essay)

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Question 95

Sunlight reflecting off ice crystals produces which of the following?

(Multiple Choice)

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Question 96

The blue color of the sky is due to ____.

(Multiple Choice)

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Question 97

Some people will remark that the "Sun appears to be drawing up water" when they are actually observing ____.

(Multiple Choice)

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Question 98

A star much hotter than our Sun radiates more energy at ____.

(Multiple Choice)

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Question 99

If people possessed cone-type receptors only, then only black and white vision would be possible.

(True/False)

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Question 100

Showing 81 - 100 of 100

____________________ scattering is most noticeable when particles of dust, salt, or smoke are about the same size as the wavelengths of visible light (or between about 0.1 and 1 µm).

For blue Suns to appear, the size of the suspended particles must be ____.

Which statement is true about rainbows?

Which events are caused by the refraction of light through ice crystals?

____ lasts from sunset until the sun is 6° below the horizon.

Plants appear green to us because they ____.

A ring of light encircling the sun or moon could be either ____.

Why does the Sun usually appear white to the human eye? How do stars that are cooler, hotter, and about the same temperature compare to the Sun?

Compare a corona of the moon to dropping a small stone into a pond.

Fata Morgana are most commonly seen ____.

A star much hotter than our Sun radiates more energy at shorter wavelengths and thus appears redder.

The Sun radiates almost half of its energy as visible light.

If a person sees a rainbow in the morning, they are facing west, toward the rain shower, and it is likely that the clouds and showers will move away from them.

A superior mirage occurs when the air near the ground is much warmer than the air above, and objects not only appear to be lower than they really are, but also inverted.

Why do stars "twinkle"?

Sunlight reflecting off ice crystals produces which of the following?

The blue color of the sky is due to ____.

Some people will remark that the "Sun appears to be drawing up water" when they are actually observing ____.

A star much hotter than our Sun radiates more energy at ____.

If people possessed cone-type receptors only, then only black and white vision would be possible.

Earth and Its Atmosphere

Energy - Warming the Earth and the Atmosphere

Seasonal and Daily Temperatures

Atmospheric Humidity

Condensation - Dew - Fog - and Clouds

Stability and Cloud Development

Precipitation

Air Pressure and Winds

Wind - Small-Scale and Local Systems

Wind - Global Systems

Air Masses and Fronts

Middle Latitude Cyclones

Weather Forecasting

Thunderstorms

Tornadoes

Hurricanes

Earths Changing Climate

Global Climate

Air Pollution

Filters

Exam 20: Light - Color and Atmospheric Optics

____________________ scattering is most noticeable when particles of dust, salt, or smoke are about the same size as the wavelengths of visible light (or between about 0.1 and 1 µm).​

​For blue Suns to appear, the size of the suspended particles must be ____.

​Which statement is true about rainbows?

​Which events are caused by the refraction of light through ice crystals?

​____ lasts from sunset until the sun is 6° below the horizon.

​Plants appear green to us because they ____.

​A ring of light encircling the sun or moon could be either ____.

Why does the Sun usually appear white to the human eye? How do stars that are cooler, hotter, and about the same temperature compare to the Sun?

​Compare a corona of the moon to dropping a small stone into a pond.

​Fata Morgana are most commonly seen ____.

​A star much hotter than our Sun radiates more energy at shorter wavelengths and thus appears redder.

The Sun radiates almost half of its energy as visible light.​

If a person sees a rainbow in the morning, they are facing west, toward the rain shower, and it is likely that the clouds and showers will move away from them.​

​A superior mirage occurs when the air near the ground is much warmer than the air above, and objects not only appear to be lower than they really are, but also inverted.

Why do stars "twinkle"?

​Sunlight reflecting off ice crystals produces which of the following?

​The blue color of the sky is due to ____.

​Some people will remark that the "Sun appears to be drawing up water" when they are actually observing ____.

​A star much hotter than our Sun radiates more energy at ____.

If people possessed cone-type receptors only, then only black and white vision would be possible.​

Earth and Its Atmosphere

Energy - Warming the Earth and the Atmosphere

Seasonal and Daily Temperatures

Atmospheric Humidity

Condensation - Dew - Fog - and Clouds

Stability and Cloud Development

Precipitation

Air Pressure and Winds

Wind - Small-Scale and Local Systems

Wind - Global Systems

Air Masses and Fronts

Middle Latitude Cyclones

Weather Forecasting

Thunderstorms

Tornadoes

Hurricanes

Earths Changing Climate

Global Climate

Air Pollution

Filters

____________________ scattering is most noticeable when particles of dust, salt, or smoke are about the same size as the wavelengths of visible light (or between about 0.1 and 1 µm).

For blue Suns to appear, the size of the suspended particles must be ____.

Which statement is true about rainbows?

Which events are caused by the refraction of light through ice crystals?

____ lasts from sunset until the sun is 6° below the horizon.

Plants appear green to us because they ____.

A ring of light encircling the sun or moon could be either ____.

Compare a corona of the moon to dropping a small stone into a pond.

Fata Morgana are most commonly seen ____.

A star much hotter than our Sun radiates more energy at shorter wavelengths and thus appears redder.

The Sun radiates almost half of its energy as visible light.

If a person sees a rainbow in the morning, they are facing west, toward the rain shower, and it is likely that the clouds and showers will move away from them.

A superior mirage occurs when the air near the ground is much warmer than the air above, and objects not only appear to be lower than they really are, but also inverted.

Sunlight reflecting off ice crystals produces which of the following?

The blue color of the sky is due to ____.

Some people will remark that the "Sun appears to be drawing up water" when they are actually observing ____.

A star much hotter than our Sun radiates more energy at ____.

If people possessed cone-type receptors only, then only black and white vision would be possible.