Question 1

Halos result from ice crystals with a ________ orientation,while sun dogs are created by ice crystals with a ________ orientation.

Accepted Answer

A) horizontal;circular 
B) circular;horizontal 
C) random;vertical 
D) vertical;random 
A) horizontal;circular 
B) circular;horizontal 
C) random;vertical 
D) vertical;random C

Question 2

The phenomenon that results from the speed of light changing as it passes into different substances is:

Accepted Answer

A) internal reflection. 
B) interference. 
C) refraction. 
D) reflection. 
E) diffraction. 
A) internal reflection. 
B) interference. 
C) refraction. 
D) reflection. 
E) diffraction. C

Question 3

A mirage is an optical effect caused by refraction when light passes from air with one density into air with a different density,causing the object to appear displaced from its true position.

Accepted Answer

A) True 
 B)False  True

Question 4

The ________ usually appears in conjunction with a halo.

Accepted Answer

A) glory 
B) rainbow 
C) corona 
D) sun dog 
A) glory 
B) rainbow 
C) corona 
D) sun dog

Question 5

Which of these atmospheric properties is most important concerning whether mirages will be seen?

Accepted Answer

A) visibility 
B) barometric pressure 
C) humidity 
D) temperature change with height 
E) wind speed 
A) visibility 
B) barometric pressure 
C) humidity 
D) temperature change with height 
E) wind speed

Question 6

A rainbow in the morning signifies weather approaching because:

Accepted Answer

A) weather moves from west to east,and you must be between the rising sun and the rain to see the rainbow. 
B) a rainbow only occurs when air is very unstable. 
C) a rainbow forms during the mature phase of a thunderstorm. 
D) you must have the sun between you and the storm to see a rainbow. 
A) weather moves from west to east,and you must be between the rising sun and the rain to see the rainbow. 
B) a rainbow only occurs when air is very unstable. 
C) a rainbow forms during the mature phase of a thunderstorm. 
D) you must have the sun between you and the storm to see a rainbow.

Question 7

A secondary rainbow:

Accepted Answer

A) is above the primary rainbow. 
B) has a broader band of colors. 
C) is brighter than the primary rainbow. 
D) is formed from ice,not water. 
E) is typically seen in the early afternoon,not in the morning. 
A) is above the primary rainbow. 
B) has a broader band of colors. 
C) is brighter than the primary rainbow. 
D) is formed from ice,not water. 
E) is typically seen in the early afternoon,not in the morning.

Question 8

Fata Morgana is a type of halo that is frequently observed in mountainous areas.

Accepted Answer

A) True 
 B)False

Question 9

Iridescent clouds form most often with cumulonimbus clouds.

Accepted Answer

A) True 
 B)False

Question 10

Violet light is refracted more than red light when it passes from air into water.

Accepted Answer

A) True 
 B)False

Question 11

A green flash appears when:

Accepted Answer

A) the sun is just rising or setting. 
B) there is a rainstorm in progress. 
C) light is refracted around the edges of clouds. 
D) there is a temperature inversion present. 
A) the sun is just rising or setting. 
B) there is a rainstorm in progress. 
C) light is refracted around the edges of clouds. 
D) there is a temperature inversion present.

Question 12

Why do rainbows have a curved shape?

Accepted Answer

A) Water molecules are circular. 
B) The earth is circular. 
C) The optical process is circularly symmetrical around the path of the sunlight. 
D) The Sun is a spherical body. 
A) Water molecules are circular. 
B) The earth is circular. 
C) The optical process is circularly symmetrical around the path of the sunlight. 
D) The Sun is a spherical body.

Question 13

Your mind's interpretation that light travels only in straight lines is an important part of explaining mirages.

Accepted Answer

A) True 
 B)False

Question 14

Mirages are caused by:

Accepted Answer

A) reflection of sunlight. 
B) variations in air density. 
C) diffraction of sunlight. 
D) scattering of sunlight. 
A) reflection of sunlight. 
B) variations in air density. 
C) diffraction of sunlight. 
D) scattering of sunlight.

Question 15

If light enters a transparent medium at a right angle (perpendicular),what change occurs to the light?

Accepted Answer

A) It is reflected rather than entering the medium. 
B) Both its direction and velocity are altered. 
C) Only its direction is changed. 
D) Only its velocity is changed. 
A) It is reflected rather than entering the medium. 
B) Both its direction and velocity are altered. 
C) Only its direction is changed. 
D) Only its velocity is changed.

Question 16

Mirages result from which of these optical processes?

Accepted Answer

A) diffraction 
B) dispersion 
C) reflection 
D) refraction 
E) interference 
A) diffraction 
B) dispersion 
C) reflection 
D) refraction 
E) interference

Question 17

The curving of light by air is greater when the light source is near the zenith.

Accepted Answer

A) True 
 B)False

Question 18

Light bends because of a change in the ________.

Accepted Answer

A) weight 
B) amplitude 
C) temperature 
D) velocity 
A) weight 
B) amplitude 
C) temperature 
D) velocity

Question 19

A type of mirage in which towering castles appear out of thin air is called a(n)________.

Accepted Answer

The answer of A type of mirage in which towering...

Question 20

Four basic types of ice crystals contribute to the formation of halos: plates,columns,bullets,and capped columns.

Accepted Answer

A) True 
 B)False

Halos result from ice crystals with a orientation,while sun dogs are created by ice crystals with a orientation.

The phenomenon that results from the speed of light changing as it passes into different substances is:

A mirage is an optical effect caused by refraction when light passes from air with one density into air with a different density,causing the object to appear displaced from its true position.

The ________ usually appears in conjunction with a halo.

Which of these atmospheric properties is most important concerning whether mirages will be seen?

A rainbow in the morning signifies weather approaching because:

A secondary rainbow:

Fata Morgana is a type of halo that is frequently observed in mountainous areas.

Iridescent clouds form most often with cumulonimbus clouds.

Violet light is refracted more than red light when it passes from air into water.

A green flash appears when:

Why do rainbows have a curved shape?

Your mind's interpretation that light travels only in straight lines is an important part of explaining mirages.

Mirages are caused by:

If light enters a transparent medium at a right angle (perpendicular),what change occurs to the light?

Mirages result from which of these optical processes?

The curving of light by air is greater when the light source is near the zenith.

Light bends because of a change in the ________.

A type of mirage in which towering castles appear out of thin air is called a(n)________.

Four basic types of ice crystals contribute to the formation of halos: plates,columns,bullets,and capped columns.

Introduction to the Atmosphere

Heating Earths Surface and Atmosphere

Temperature

Moisture and Atmospheric Stability

Forms of Condensation and Precipitation

Air Pressure and Winds

Circulation of the Atmosphere

Air Masses

Weather Patterns

Thunderstorms and Tornadoes

Hurricanes

Weather Analysis and Forecasting

Air Pollution

The Changing Climate

World Climates

Filters

Exam 16: Optical Phenomena of the Atmosphere

Halos result from ice crystals with a ________ orientation,while sun dogs are created by ice crystals with a ________ orientation.

The phenomenon that results from the speed of light changing as it passes into different substances is:

A mirage is an optical effect caused by refraction when light passes from air with one density into air with a different density,causing the object to appear displaced from its true position.

The ________ usually appears in conjunction with a halo.

Which of these atmospheric properties is most important concerning whether mirages will be seen?

A rainbow in the morning signifies weather approaching because:

A secondary rainbow:

Fata Morgana is a type of halo that is frequently observed in mountainous areas.

Iridescent clouds form most often with cumulonimbus clouds.

Violet light is refracted more than red light when it passes from air into water.

A green flash appears when:

Why do rainbows have a curved shape?

Your mind's interpretation that light travels only in straight lines is an important part of explaining mirages.

Mirages are caused by:

If light enters a transparent medium at a right angle (perpendicular),what change occurs to the light?

Mirages result from which of these optical processes?

The curving of light by air is greater when the light source is near the zenith.

Light bends because of a change in the ________.

A type of mirage in which towering castles appear out of thin air is called a(n)________.

Four basic types of ice crystals contribute to the formation of halos: plates,columns,bullets,and capped columns.

Introduction to the Atmosphere

Heating Earths Surface and Atmosphere

Temperature

Moisture and Atmospheric Stability

Forms of Condensation and Precipitation

Air Pressure and Winds

Circulation of the Atmosphere

Air Masses

Weather Patterns

Thunderstorms and Tornadoes

Hurricanes

Weather Analysis and Forecasting

Air Pollution

The Changing Climate

World Climates

Filters

Halos result from ice crystals with a orientation,while sun dogs are created by ice crystals with a orientation.