Exam 20: Light Color and Atmospheric Optics

Provide an explanation for why,in effect,each of us has a personal rainbow to enjoy,even if more than one person is standing next to one another when a rainbow appears.

(Essay)

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Question 81

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

(True/False)

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Question 82

Because of atmospheric refraction,a star seen near Earth's horizon is actually ____.

(Multiple Choice)

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Question 83

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 84

When the Sun is 4° above the horizon,sunlight must pass through an atmosphere more than ____ times thicker than when the Sun is directly overhead.

(Multiple Choice)

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Question 85

When might you be able to see a halo around your head,and what would cause this?

(Essay)

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Question 86

At sunset in the middle latitudes,look for a rainbow toward the ____.

(Multiple Choice)

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Question 87

Haze can scatter light from the rising or setting Sun in a way that produces bright light beams,called ____,radiating across the sky.

(Multiple Choice)

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Question 88

The green flash is largely an example of the ____ of light by Earth's atmosphere.

(Multiple Choice)

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Question 89

A ____ can only be seen when the Sun is to your back and it is raining in front of you.

(Multiple Choice)

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Question 90

____________________ mirages occur when the air near the ground is much warmer than the air above,so objects not only appear to be lower than they really are,but also (often)inverted.

(Short Answer)

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Question 91

The phenomenon that can sometimes be seen near the upper rim of a setting or rising Sun is called ____.

(Multiple Choice)

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Question 92

When the atmosphere becomes loaded with particles,only the red wavelengths are able to penetrate the atmosphere,and we see a Sun.

(Multiple Choice)

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Question 93

The presence of a halo indicates that cirriform clouds are present.

(True/False)

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Question 94

Twilight is the name given to the time ____,when the sky remains illuminated and allows outdoor activities without artificial lighting.

(Multiple Choice)

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Question 95

Light that passes through a substance is said to be refracted.

(True/False)

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Question 96

Why do stars "twinkle"?

(Essay)

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Question 97

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 98

As sunlight enters the atmosphere,the shorter visible wavelengths of violet,blue,and green are scattered more by atmospheric gases than are the longer wavelengths of yellow,orange,and especially red,which is why the sky appears blue.

(True/False)

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Question 99

When an aircraft flies above a cloud layer composed of water droplets less than 50 µm in diameter,a set of colored rings,called the ____________________,may appear around the shadow of the aircraft.

(Short Answer)

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Question 100

Showing 81 - 100 of 100

Provide an explanation for why,in effect,each of us has a personal rainbow to enjoy,even if more than one person is standing next to one another when a rainbow appears.

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

Because of atmospheric refraction,a star seen near Earth's horizon is actually ____.

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.

When the Sun is 4° above the horizon,sunlight must pass through an atmosphere more than ____ times thicker than when the Sun is directly overhead.

When might you be able to see a halo around your head,and what would cause this?

At sunset in the middle latitudes,look for a rainbow toward the ____.

Haze can scatter light from the rising or setting Sun in a way that produces bright light beams,called ____,radiating across the sky.

The green flash is largely an example of the ____ of light by Earth's atmosphere.

A ____ can only be seen when the Sun is to your back and it is raining in front of you.

____________________ mirages occur when the air near the ground is much warmer than the air above,so objects not only appear to be lower than they really are,but also (often)inverted.

The phenomenon that can sometimes be seen near the upper rim of a setting or rising Sun is called ____.

When the atmosphere becomes loaded with particles,only the red wavelengths are able to penetrate the atmosphere,and we see a Sun.

The presence of a halo indicates that cirriform clouds are present.

Twilight is the name given to the time ____,when the sky remains illuminated and allows outdoor activities without artificial lighting.

Light that passes through a substance is said to be refracted.

Why do stars "twinkle"?

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?

As sunlight enters the atmosphere,the shorter visible wavelengths of violet,blue,and green are scattered more by atmospheric gases than are the longer wavelengths of yellow,orange,and especially red,which is why the sky appears blue.

When an aircraft flies above a cloud layer composed of water droplets less than 50 µm in diameter,a set of colored rings,called the ____________________,may appear around the shadow of the aircraft.

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

Provide an explanation for why,in effect,each of us has a personal rainbow to enjoy,even if more than one person is standing next to one another when a rainbow appears.​

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

Because of atmospheric refraction,a star seen near Earth's horizon is actually ____.

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.

When the Sun is 4° above the horizon,sunlight must pass through an atmosphere more than ____ times thicker than when the Sun is directly overhead.

When might you be able to see a halo around your head,and what would cause this?

At sunset in the middle latitudes,look for a rainbow toward the ____.

Haze can scatter light from the rising or setting Sun in a way that produces bright light beams,called ____,radiating across the sky.

The green flash is largely an example of the ____ of light by Earth's atmosphere.

A ____ can only be seen when the Sun is to your back and it is raining in front of you.

____________________ mirages occur when the air near the ground is much warmer than the air above,so objects not only appear to be lower than they really are,but also (often)inverted.​

The phenomenon that can sometimes be seen near the upper rim of a setting or rising Sun is called ____.

When the atmosphere becomes loaded with particles,only the ____ red wavelengths are able to penetrate the atmosphere,and we see a ____ Sun.

The presence of a halo indicates that cirriform clouds are present.

Twilight is the name given to the time ____,when the sky remains illuminated and allows outdoor activities without artificial lighting.

Light that passes through a substance is said to be refracted.

Why do stars "twinkle"?

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?

As sunlight enters the atmosphere,the shorter visible wavelengths of violet,blue,and green are scattered more by atmospheric gases than are the longer wavelengths of yellow,orange,and especially red,which is why the sky appears blue.

When an aircraft flies above a cloud layer composed of water droplets less than 50 µm in diameter,a set of colored rings,called the ____________________,may appear around the shadow of the aircraft.​

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

Provide an explanation for why,in effect,each of us has a personal rainbow to enjoy,even if more than one person is standing next to one another when a rainbow appears.

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

____________________ mirages occur when the air near the ground is much warmer than the air above,so objects not only appear to be lower than they really are,but also (often)inverted.

When the atmosphere becomes loaded with particles,only the red wavelengths are able to penetrate the atmosphere,and we see a Sun.

When an aircraft flies above a cloud layer composed of water droplets less than 50 µm in diameter,a set of colored rings,called the ____________________,may appear around the shadow of the aircraft.