Question 1

​Secondary rainbows occur when ____.

Accepted Answer

A)  ​two internal reflections of light occur in raindrops. 
B)  ​light refracts through ice crystals. 
C)  ​a single internal reflection of light occurs in raindrops. 
D)  ​light refracts through a cloud of large raindrops. 
E)  ​the Sun disappears behind a cloud and then reappears. 
A)  ​two internal reflections of light occur in raindrops. 
B)  ​light refracts through ice crystals. 
C)  ​a single internal reflection of light occurs in raindrops. 
D)  ​light refracts through a cloud of large raindrops. 
E)  ​the Sun disappears behind a cloud and then reappears.

Question 2

When a star appears to twinkle or flicker, it is a condition called ____________________.​

Accepted Answer

The answer of When a star appears to twinkle or...

Question 3

Sundogs are caused by ____________________ of sunlight through ice crystals.​

Accepted Answer

The answer of Sundogs are caused by ____________________ of sunlight...

Question 4

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.​

Accepted Answer

As you look at a rainbow, keep in mind t

Question 5

​The duration of twilight decreases with increasing latitude, especially in summer.

Accepted Answer

A) True 
 B)False

Question 6

​Which processes must occur in a raindrop to produce a rainbow?

Accepted Answer

A)  ​refraction, reflection, and dispersion of sunlight 
B)  ​refraction, reflection, and scattering of sunlight 
C)  ​reflection, scattering, and dispersion of sunlight 
D)  ​transmission, reflection, and dispersion of sunlight 
E)  ​refraction, transmission, and scattering of sunlight 
A)  ​refraction, reflection, and dispersion of sunlight 
B)  ​refraction, reflection, and scattering of sunlight 
C)  ​reflection, scattering, and dispersion of sunlight 
D)  ​transmission, reflection, and dispersion of sunlight 
E)  ​refraction, transmission, and scattering of sunlight

Question 7

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

Accepted Answer

A)  ​refraction 
B)  ​reflection 
C)  ​absorption 
D)  ​diffraction 
E)  ​transmission 
A)  ​refraction 
B)  ​reflection 
C)  ​absorption 
D)  ​diffraction 
E)  ​transmission

Question 8

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

Accepted Answer

A)  ​longest; red 
B)  ​shortest; red 
C)  ​longest; blue 
D)  ​shortest; white 
E)  ​longest; yellow 
A)  ​longest; red 
B)  ​shortest; red 
C)  ​longest; blue 
D)  ​shortest; white 
E)  ​longest; yellow

Question 9

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

Accepted Answer

A)  ​anticrepuscular rays 
B)  ​crepuscular rays 
C)  ​blue haze 
D)  ​sun dogs 
E)  ​glories 
A)  ​anticrepuscular rays 
B)  ​crepuscular rays 
C)  ​blue haze 
D)  ​sun dogs 
E)  ​glories

Question 10

A ring of light encircling and extending outward from the Sun or Moon is called a(n) ____________________.​

Accepted Answer

The answer of A ring of light encircling and extending...

Question 11

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

Accepted Answer

On a clear morning with dew on the grass

Question 12

Volcanic eruptions rich in ____________________ can produce red sunsets.​

Accepted Answer

The answer of Volcanic eruptions rich in ____________________ can produce...

Question 13

A corona is due to diffraction of light.​

Accepted Answer

A) True 
 B)False

Question 14

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

Accepted Answer

A) True 
 B)False

Question 15

Describe the double meaning of the expression "once in a blue moon."​

Accepted Answer

For blue suns to appear, the size of the

Question 16

​What can make a setting (or rising) Sun appear red?

Accepted Answer

At sunrise and sunset, the rays coming d

Question 17

Atmospheric mirages are created by light passing through and being ____________________ by air layers of different densities.​

Accepted Answer

The answer of Atmospheric mirages are created by light passing...

Question 18

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.​

Accepted Answer

The answer of When an aircraft flies above a cloud...

Question 19

If people possessed rod-type receptors only, then only ____________________ vision would be possible.​

Accepted Answer

The answer of If people possessed rod-type receptors only, then...

Question 20

​White light is perceived when ____ strike the cones of the eye with nearly equal intensity.

Accepted Answer

A)  ​a single long wavelength 
B)  ​a single short wavelength 
C)  ​all visible wavelengths 
D)  ​all short wavelengths 
E)  ​all long wavelengths 
A)  ​a single long wavelength 
B)  ​a single short wavelength 
C)  ​all visible wavelengths 
D)  ​all short wavelengths 
E)  ​all long wavelengths

Secondary rainbows occur when ____.

When a star appears to twinkle or flicker, it is a condition called ____________________.

Sundogs are caused by ____________________ of sunlight through ice crystals.

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 duration of twilight decreases with increasing latitude, especially in summer.

Which processes must occur in a raindrop to produce a rainbow?

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

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

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

A ring of light encircling and extending outward from the Sun or Moon is called a(n) ____________________.

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

Volcanic eruptions rich in ____________________ can produce red sunsets.

A corona is due to diffraction of light.

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

Describe the double meaning of the expression "once in a blue moon."

What can make a setting (or rising) Sun appear red?

Atmospheric mirages are created by light passing through and being ____________________ by air layers of different densities.

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.

If people possessed rod-type receptors only, then only ____________________ vision would be possible.

White light is perceived when ____ strike the cones of the eye with nearly equal intensity.

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

​Secondary rainbows occur when ____.

When a star appears to twinkle or flicker, it is a condition called ____________________.​

Sundogs are caused by ____________________ of sunlight through ice crystals.​

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 duration of twilight decreases with increasing latitude, especially in summer.

​Which processes must occur in a raindrop to produce a rainbow?

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

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

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

A ring of light encircling and extending outward from the Sun or Moon is called a(n) ____________________.​

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

Volcanic eruptions rich in ____________________ can produce red sunsets.​

A corona is due to diffraction of light.​

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

Describe the double meaning of the expression "once in a blue moon."​

​What can make a setting (or rising) Sun appear red?

Atmospheric mirages are created by light passing through and being ____________________ by air layers of different densities.​

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.​

If people possessed rod-type receptors only, then only ____________________ vision would be possible.​

​White light is perceived when ____ strike the cones of the eye with nearly equal intensity.

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

Secondary rainbows occur when ____.

When a star appears to twinkle or flicker, it is a condition called ____________________.

Sundogs are caused by ____________________ of sunlight through ice crystals.

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 duration of twilight decreases with increasing latitude, especially in summer.

Which processes must occur in a raindrop to produce a rainbow?

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

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

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

A ring of light encircling and extending outward from the Sun or Moon is called a(n) ____________________.

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

Volcanic eruptions rich in ____________________ can produce red sunsets.

A corona is due to diffraction of light.

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

Describe the double meaning of the expression "once in a blue moon."

What can make a setting (or rising) Sun appear red?

Atmospheric mirages are created by light passing through and being ____________________ by air layers of different densities.

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.

If people possessed rod-type receptors only, then only ____________________ vision would be possible.

White light is perceived when ____ strike the cones of the eye with nearly equal intensity.