Question 1

Which of the following phenomena result from the bending of light through ice crystals?

Accepted Answer

A) sundogs and sun pillars 
B) halos and sundogs 
C) rainbows and halos 
D) halos and the green flash 
A) sundogs and sun pillars 
B) halos and sundogs 
C) rainbows and halos 
D) halos and the green flash B

Question 2

The figure below shows a ray of white light striking a glass prism and dispersing into its component colours. Which of the rays has the shortest wavelength?   ​

Accepted Answer

A) ray B 
B) ray C 
C) ray D 
D) ray E 
A) ray B 
B) ray C 
C) ray D 
D) ray E D

Question 3

In which of the following conditions do secondary rainbows occur?

Accepted Answer

A) when light refracts through a cloud of large raindrops 
B) when two internal reflections of light occur in raindrops 
C) when light refracts through ice crystals 
D) when a single internal reflection of light occurs in raindrops 
A) when light refracts through a cloud of large raindrops 
B) when two internal reflections of light occur in raindrops 
C) when light refracts through ice crystals 
D) when a single internal reflection of light occurs in raindrops B

Question 4

Why do distant mountains appear blue?

Accepted Answer

Distant mountains often appear blue due

Question 5

Which of the following 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) transmission, reflection, and dispersion of sunlight 
D) reflection, scattering, and dispersion of sunlight 
A) refraction, reflection, and dispersion of sunlight 
B) refraction, reflection, and scattering of sunlight 
C) transmission, reflection, and dispersion of sunlight 
D) reflection, scattering, and dispersion of sunlight

Question 6

Which of the following is an optical phenomenon that forms in a similar manner as the halo?

Accepted Answer

A) corona 
B) tangent arc 
C) sun pillar 
D) rainbow 
A) corona 
B) tangent arc 
C) sun pillar 
D) rainbow

Question 7

Which of the following describes the scattering effect of oxygen and nitrogen on light?

Accepted Answer

A) Oxygen and nitrogen scatter entirely different wavelengths. 
B) They are selective scatterers. 
C) They scatter all wavelengths of light equally. 
D) Unlike other atmospheric gases, they don't scatter any wavelengths of light. 
A) Oxygen and nitrogen scatter entirely different wavelengths. 
B) They are selective scatterers. 
C) They scatter all wavelengths of light equally. 
D) Unlike other atmospheric gases, they don't scatter any wavelengths of light.

Question 8

Which of the following statements describes the atmospheric condition when the sky begins to turn milky white?

Accepted Answer

A) Small particles such as dust and salt become suspended in the air. 
B) The daytime temperature is oppressively hot. 
C) The relative humidity decreases below about 10 percent. 
D) The concentration of ozone begins to reach dangerous levels. 
A) Small particles such as dust and salt become suspended in the air. 
B) The daytime temperature is oppressively hot. 
C) The relative humidity decreases below about 10 percent. 
D) The concentration of ozone begins to reach dangerous levels.

Question 9

Which of the following describes the cause of a mirage?

Accepted Answer

A) thin layer of moist air near the ground 
B) reflection of light from a hot surface 
C) bending of light by air of different densities 
D) scattering of light by air molecules 
A) thin layer of moist air near the ground 
B) reflection of light from a hot surface 
C) bending of light by air of different densities 
D) scattering of light by air molecules

Question 10

Which of the following phenomena would most likely be observed over snow-covered ground in the winter?

Accepted Answer

A) crespuscular rays 
B) shimmering 
C) sun pillars 
D) superior mirage 
A) crespuscular rays 
B) shimmering 
C) sun pillars 
D) superior mirage

Question 11

Which of the following phenomena appears as a ring of light encircling the sun or moon?

Accepted Answer

A) either a halo or a sundog 
B) either a halo or a corona 
C) either a rainbow or a halo 
D) either a sundog or a crepuscular ray 
A) either a halo or a sundog 
B) either a halo or a corona 
C) either a rainbow or a halo 
D) either a sundog or a crepuscular ray

Question 12

The figure below depicts the angle of rays of sunlight. Which of the following describes where the observer needs to look to see the blue light scattered by the atmosphere?

Accepted Answer

A) up and to the left 
B) up and to the right 
A) up and to the left 
B) up and to the right

Question 13

Which of the following statements describes where to look for a rainbow?

Accepted Answer

A) To see a rainbow at sunrise, look toward the east. 
B) To see a rainbow at sunrise, look toward the west. 
C) To see a rainbow at sunset, look toward the north 
D) To see a rainbow at sunset, look toward the south. 
A) To see a rainbow at sunrise, look toward the east. 
B) To see a rainbow at sunrise, look toward the west. 
C) To see a rainbow at sunset, look toward the north 
D) To see a rainbow at sunset, look toward the south.

Question 14

What phenomena cause a road surface to appear wet on a hot, clear, dry day? Why does the road appear wet? How would the road appear if it really was wet?

Accepted Answer

The phenomenon that causes a road surfac

Question 15

Sketch the path that a ray of light follows as it passes through a raindrop and forms a primary rainbow. How is the path of a ray forming the secondary rainbow different?

Accepted Answer

When a ray of light passes through a rai

Question 16

Due to atmospheric refraction, which of the following explains the appearance of a star seen near the Earth's horizon?

Accepted Answer

A) It is actually much farther away than it appears. 
B) It is actually much dimmer than it appears. 
C) It is actually slightly lower than it appears. 
D) It is actually slightly higher than it appears. 
A) It is actually much farther away than it appears. 
B) It is actually much dimmer than it appears. 
C) It is actually slightly lower than it appears. 
D) It is actually slightly higher than it appears.

Question 17

Which of the following phenomena is most likely associated with a tangent arc?

Accepted Answer

A) glory 
B) sundog 
C) halo 
D) rainbow 
A) glory 
B) sundog 
C) halo 
D) rainbow

Question 18

Why aren't stars visible in the sky during the day?

Accepted Answer

Stars are not visible in the sky during

Question 19

Which of the following results from sunlight reflecting off ice crystals?

Accepted Answer

A) halos 
B) sun pillars 
C) crepuscular rays 
D) sun dogs 
A) halos 
B) sun pillars 
C) crepuscular rays 
D) sun dogs

Question 20

Considering light that passes through ice crystals, which of the following describes the colour of the wavelength that bends the least, and where this colour appears in halos or sundogs?

Accepted Answer

A) Blue wavelengths bend the least, and blue appears on the inside of halos or sundogs. 
B) Red wavelengths bend the least, and red appears on the outside of halos or sundogs. 
C) Red wavelengths bend the least, and red appears on the inside of halos or sundogs. 
D) Blue wavelengths bend the least, and blue appears on the outside of halos or sundogs. 
A) Blue wavelengths bend the least, and blue appears on the inside of halos or sundogs. 
B) Red wavelengths bend the least, and red appears on the outside of halos or sundogs. 
C) Red wavelengths bend the least, and red appears on the inside of halos or sundogs. 
D) Blue wavelengths bend the least, and blue appears on the outside of halos or sundogs.

Which of the following phenomena result from the bending of light through ice crystals?

The figure below shows a ray of white light striking a glass prism and dispersing into its component colours. Which of the rays has the shortest wavelength?

In which of the following conditions do secondary rainbows occur?

Why do distant mountains appear blue?

Which of the following processes must occur in a raindrop to produce a rainbow?

Which of the following is an optical phenomenon that forms in a similar manner as the halo?

Which of the following describes the scattering effect of oxygen and nitrogen on light?

Which of the following statements describes the atmospheric condition when the sky begins to turn milky white?

Which of the following describes the cause of a mirage?

Which of the following phenomena would most likely be observed over snow-covered ground in the winter?

Which of the following phenomena appears as a ring of light encircling the sun or moon?

The figure below depicts the angle of rays of sunlight. Which of the following describes where the observer needs to look to see the blue light scattered by the atmosphere?

Which of the following statements describes where to look for a rainbow?

What phenomena cause a road surface to appear wet on a hot, clear, dry day? Why does the road appear wet? How would the road appear if it really was wet?

Sketch the path that a ray of light follows as it passes through a raindrop and forms a primary rainbow. How is the path of a ray forming the secondary rainbow different?

Due to atmospheric refraction, which of the following explains the appearance of a star seen near the Earth's horizon?

Which of the following phenomena is most likely associated with a tangent arc?

Why aren't stars visible in the sky during the day?

Which of the following results from sunlight reflecting off ice crystals?

Considering light that passes through ice crystals, which of the following describes the colour of the wavelength that bends the least, and where this colour appears in halos or sundogs?

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Wind: Global Systems

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Exam 19: Air Pollution

Which of the following phenomena result from the bending of light through ice crystals?

The figure below shows a ray of white light striking a glass prism and dispersing into its component colours. Which of the rays has the shortest wavelength? ​

In which of the following conditions do secondary rainbows occur?

Why do distant mountains appear blue?

Which of the following processes must occur in a raindrop to produce a rainbow?

Which of the following is an optical phenomenon that forms in a similar manner as the halo?

Which of the following describes the scattering effect of oxygen and nitrogen on light?

Which of the following statements describes the atmospheric condition when the sky begins to turn milky white?

Which of the following describes the cause of a mirage?

Which of the following phenomena would most likely be observed over snow-covered ground in the winter?

Which of the following phenomena appears as a ring of light encircling the sun or moon?

The figure below depicts the angle of rays of sunlight. Which of the following describes where the observer needs to look to see the blue light scattered by the atmosphere?

Which of the following statements describes where to look for a rainbow?

What phenomena cause a road surface to appear wet on a hot, clear, dry day? Why does the road appear wet? How would the road appear if it really was wet?

Sketch the path that a ray of light follows as it passes through a raindrop and forms a primary rainbow. How is the path of a ray forming the secondary rainbow different?

Due to atmospheric refraction, which of the following explains the appearance of a star seen near the Earth's horizon?

Which of the following phenomena is most likely associated with a tangent arc?

Why aren't stars visible in the sky during the day?

Which of the following results from sunlight reflecting off ice crystals?

Considering light that passes through ice crystals, which of the following describes the colour of the wavelength that bends the least, and where this colour appears in halos or sundogs?

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

The figure below shows a ray of white light striking a glass prism and dispersing into its component colours. Which of the rays has the shortest wavelength?