Question 1

Which of the following statements describes how air molecules make the sky blue?

Accepted Answer

A) They selectively absorb blue light. 
B) They selectively disperse blue light. 
C) They selectively scatter blue light. 
D) They selectively diffract blue light. 
A) They selectively absorb blue light. 
B) They selectively disperse blue light. 
C) They selectively scatter blue light. 
D) They selectively diffract blue light.

Question 2

Which of the following is a name for diffuse light?

Accepted Answer

A) scattered light 
B) refracted light 
C) dispersion of light 
D) transmitted light 
A) scattered light 
B) refracted light 
C) dispersion of light 
D) transmitted light

Question 3

Suppose a piece of paper is illuminated with white light and appears red. Which of the following statements explains why the paper appears red?

Accepted Answer

A) The paper reflects red and absorbs other visible wavelengths. 
B) The paper emits red light. 
C) The paper disperses white light. 
D) The paper absorbs red and reflects other visible wavelengths. 
A) The paper reflects red and absorbs other visible wavelengths. 
B) The paper emits red light. 
C) The paper disperses white light. 
D) The paper absorbs red and reflects other visible wavelengths.

Question 4

What colour would the sky be if air molecules selectively scattered only the longest wavelengths of visible light?

Accepted Answer

A) blue 
B) black 
C) red 
D) white 
A) blue 
B) black 
C) red 
D) white

Question 5

Which of the following terms refers to an atmospheric phenomenon that causes objects to appear inverted?

Accepted Answer

A) dispersion 
B) scintillation 
C) an inferior mirage 
D) a superior mirage 
A) dispersion 
B) scintillation 
C) an inferior mirage 
D) a superior mirage

Question 6

Which of the following statements explains why air molecules selectively scatter visible light?

Accepted Answer

A) Air molecules are much larger than the wavelength of visible light. 
B) Air molecules are smaller than the wavelength of visible light. 
C) The electrons that orbit around the nucleus of atoms have a blue colour. 
D) Air molecules are the same size as the wavelength of visible light. 
A) Air molecules are much larger than the wavelength of visible light. 
B) Air molecules are smaller than the wavelength of visible light. 
C) The electrons that orbit around the nucleus of atoms have a blue colour. 
D) Air molecules are the same size as the wavelength of visible light.

Question 7

In which of the following directions could you see a sundog?

Accepted Answer

A) about 22 degrees to the right or left of the moon 
B) about 22 degrees to the right or left of the sun 
C) about 22 degrees below the sun 
D) about 22 degrees above the sun 
A) about 22 degrees to the right or left of the moon 
B) about 22 degrees to the right or left of the sun 
C) about 22 degrees below the sun 
D) about 22 degrees above the sun

Question 8

Which of the following terms relates to a wet-looking road surface on a clear, hot, dry day?

Accepted Answer

A) inferior mirage 
B) superior mirage 
C) diffraction 
D) scintillation 
A) inferior mirage 
B) superior mirage 
C) diffraction 
D) scintillation

Question 9

On a summer evening at middle latitudes, twilight adds about how much time to the length of daylight?

Accepted Answer

A) 2 minutes 
B) 5 minutes 
C) 30 minutes 
D) 2 hours 
A) 2 minutes 
B) 5 minutes 
C) 30 minutes 
D) 2 hours

Question 10

Which of the following is an accurate statement about sundogs?

Accepted Answer

A) They are caused by reflection and scattering. 
B) They are composed of three colours. 
C) They always occur in pairs. 
D) They require ice crystals with a specific spatial orientation. 
A) They are caused by reflection and scattering. 
B) They are composed of three colours. 
C) They always occur in pairs. 
D) They require ice crystals with a specific spatial orientation.

Question 11

Illustrate with a sketch the refraction and dispersion of light as it passes through a glass prism.

Accepted Answer

To illustrate the refraction and dispers

Question 12

Clouds in the tropics tend to move from east to west. Consequently, which of the following rhymes best describes a rainbow seen in the tropics?

Accepted Answer

A) Rainbow at dawn means rain is gone. 
B) Rainbow at break of day means rain is on its way. 
C) Rainbow with setting sun means sailors can have some fun. 
D) Rainbow in the morning means sailors take warning. 
A) Rainbow at dawn means rain is gone. 
B) Rainbow at break of day means rain is on its way. 
C) Rainbow with setting sun means sailors can have some fun. 
D) Rainbow in the morning means sailors take warning.

Question 13

When driving on a foggy night, it is often difficult to see the road when the high beam lights are on. Which of the following processes explains why this happens?

Accepted Answer

A) transmission of light by the fog 
B) absorption of light by the fog 
C) refraction of light by the fog 
D) scattering of light by the fog 
A) transmission of light by the fog 
B) absorption of light by the fog 
C) refraction of light by the fog 
D) scattering of light by the fog

Question 14

Distinguish between the formation of a halo and the formation of a corona.

Accepted Answer

Halos and coronas are both optical pheno

Question 15

With a sketch, show why the setting sun often appears red to an observer on the ground. Why does the sun appear white at noon and red at sunrise and sunset?

Accepted Answer

The setting sun often appears red to an

Question 16

Which path does the light ray follow when it travels from a less dense substance into one that is denser?

Accepted Answer

A) It does not bend. 
B) It is reflected back into the low density material. 
C) It bends toward the normal. 
D) It bends away from the normal. 
A) It does not bend. 
B) It is reflected back into the low density material. 
C) It bends toward the normal. 
D) It bends away from the normal.

Question 17

Using a diagram, show why an inferior mirage produces an inverted image.

Accepted Answer

An inferior mirage occurs when there is

Question 18

Which of the following describes sun halos?

Accepted Answer

A) They are most common during clear skies. 
B) They require a layer of ice crystals. 
C) They are caused by reflection of light. 
D) They are usually found near the horizon. 
A) They are most common during clear skies. 
B) They require a layer of ice crystals. 
C) They are caused by reflection of light. 
D) They are usually found near the horizon.

Question 19

Which of the following phenomena are exemplified by the "smoke" of the Great Smoky Mountains and the "blue" of the Blue Ridge Mountains?

Accepted Answer

A) sundogs 
B) haze 
C) halos 
D) glories 
A) sundogs 
B) haze 
C) halos 
D) glories

Question 20

Which of the following is mainly responsible for red sunsets, blue moons, and milky white skies?

Accepted Answer

A) reflection of light 
B) dispersion of light 
C) refraction of light 
D) scattering of light 
A) reflection of light 
B) dispersion of light 
C) refraction of light 
D) scattering of light

Which of the following statements describes how air molecules make the sky blue?

Which of the following is a name for diffuse light?

Suppose a piece of paper is illuminated with white light and appears red. Which of the following statements explains why the paper appears red?

What colour would the sky be if air molecules selectively scattered only the longest wavelengths of visible light?

Which of the following terms refers to an atmospheric phenomenon that causes objects to appear inverted?

Which of the following statements explains why air molecules selectively scatter visible light?

In which of the following directions could you see a sundog?

Which of the following terms relates to a wet-looking road surface on a clear, hot, dry day?

On a summer evening at middle latitudes, twilight adds about how much time to the length of daylight?

Which of the following is an accurate statement about sundogs?

Illustrate with a sketch the refraction and dispersion of light as it passes through a glass prism.

Clouds in the tropics tend to move from east to west. Consequently, which of the following rhymes best describes a rainbow seen in the tropics?

When driving on a foggy night, it is often difficult to see the road when the high beam lights are on. Which of the following processes explains why this happens?

Distinguish between the formation of a halo and the formation of a corona.

With a sketch, show why the setting sun often appears red to an observer on the ground. Why does the sun appear white at noon and red at sunrise and sunset?

Which path does the light ray follow when it travels from a less dense substance into one that is denser?

Using a diagram, show why an inferior mirage produces an inverted image.

Which of the following describes sun halos?

Which of the following phenomena are exemplified by the "smoke" of the Great Smoky Mountains and the "blue" of the Blue Ridge Mountains?

Which of the following is mainly responsible for red sunsets, blue moons, and milky white skies?

Earth and Its Atmosphere

Energy: Warming 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

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Exam 19: Air Pollution

Which of the following statements describes how air molecules make the sky blue?

Which of the following is a name for diffuse light?

Suppose a piece of paper is illuminated with white light and appears red. Which of the following statements explains why the paper appears red?

What colour would the sky be if air molecules selectively scattered only the longest wavelengths of visible light?

Which of the following terms refers to an atmospheric phenomenon that causes objects to appear inverted?

Which of the following statements explains why air molecules selectively scatter visible light?

In which of the following directions could you see a sundog?

Which of the following terms relates to a wet-looking road surface on a clear, hot, dry day?

On a summer evening at middle latitudes, twilight adds about how much time to the length of daylight?

Which of the following is an accurate statement about sundogs?

Illustrate with a sketch the refraction and dispersion of light as it passes through a glass prism.

Clouds in the tropics tend to move from east to west. Consequently, which of the following rhymes best describes a rainbow seen in the tropics?

When driving on a foggy night, it is often difficult to see the road when the high beam lights are on. Which of the following processes explains why this happens?

Distinguish between the formation of a halo and the formation of a corona.

With a sketch, show why the setting sun often appears red to an observer on the ground. Why does the sun appear white at noon and red at sunrise and sunset?

Which path does the light ray follow when it travels from a less dense substance into one that is denser?

Using a diagram, show why an inferior mirage produces an inverted image.

Which of the following describes sun halos?

Which of the following phenomena are exemplified by the "smoke" of the Great Smoky Mountains and the "blue" of the Blue Ridge Mountains?

Which of the following is mainly responsible for red sunsets, blue moons, and milky white skies?

Earth and Its Atmosphere

Energy: Warming 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

Filters