Question 1

Why does refraction occur?

Accepted Answer

A) Some wavelengths are more absorbed than other. 
B) because radiation speed varies with density of the atmosphere 
C) because the denser the atmosphere is the higher the speed that light is transmitted 
D) none of these 
A) Some wavelengths are more absorbed than other. 
B) because radiation speed varies with density of the atmosphere 
C) because the denser the atmosphere is the higher the speed that light is transmitted 
D) none of these

Question 2

Explain the presence of red and orange at sunrise and sunset.

Accepted Answer

The larger solar angle at sunr

Question 3

Mirages are caused by

Accepted Answer

A) refraction. 
B) reflection. 
C) scattering. 
D) absorption. 
A) refraction. 
B) reflection. 
C) scattering. 
D) absorption.

Question 4

If the density of the atmosphere decreases with height,than a distant building would appear ________ than it really is.

Accepted Answer

A) taller 
B) shorter 
C) wider 
D) thinner 
A) taller 
B) shorter 
C) wider 
D) thinner

Question 5

Sundogs form when platelike ice crystals

Accepted Answer

A) tumble while falling. 
B) orient themselves vertically. 
C) orient themselves horizontally. 
D) melt while falling. 
A) tumble while falling. 
B) orient themselves vertically. 
C) orient themselves horizontally. 
D) melt while falling.

Question 6

How does the length of twilight vary from summer to winter?

Accepted Answer

the length

Question 7

Explain how a primary rainbow is formed.

Accepted Answer

As sunlight enters a raindrop,it undergo

Question 8

________ are formed by the interaction of light with ice crystals.

Accepted Answer

A) Primary rainbows 
B) Secondary rainbows 
C) Haloes 
D) Glories 
A) Primary rainbows 
B) Secondary rainbows 
C) Haloes 
D) Glories

Question 9

When the Sun is positioned slightly below the horizon,its direct rays cannot be seen at the surface,but diffuse radiation can illuminate the sky to create ________ conditions.

Accepted Answer

The answer of When the Sun is positioned slightly below...

Question 10

A refraction pattern in which rays are bent concave upward can be caused by

Accepted Answer

A) increased moisture. 
B) strong winds. 
C) a steady, steep drop in temperature with height. 
D) low clouds. 
A) increased moisture. 
B) strong winds. 
C) a steady, steep drop in temperature with height. 
D) low clouds.

Question 11

Which of the following is NOT associated with a superior mirage?

Accepted Answer

A) diffraction occurring in cirrus clouds 
B) decreasing density with height in the atmosphere 
C) warm air moves over cooler water surfaces 
D) images are displaced upward 
A) diffraction occurring in cirrus clouds 
B) decreasing density with height in the atmosphere 
C) warm air moves over cooler water surfaces 
D) images are displaced upward

Question 12

Halos exhibit radii of refraction of ________ degrees and ________ degrees.

Accepted Answer

The answer of Halos exhibit radii of refraction of ________...

Question 13

The figure depicts

Accepted Answer

A) a superior mirage. 
B) an inferior mirage. 
C) a green flash. 
D) a twilight mirage. 
A) a superior mirage. 
B) an inferior mirage. 
C) a green flash. 
D) a twilight mirage.

Question 14

A mirage that forms with warm air above a cool water surface is

Accepted Answer

A) an inferior mirage. 
B) a superior mirage. 
C) a desert mirage. 
D) a twilight mirage. 
A) an inferior mirage. 
B) a superior mirage. 
C) a desert mirage. 
D) a twilight mirage.

Question 15

A difference in air density can cause

Accepted Answer

A) refraction. 
B) reflection. 
C) scattering. 
D) absorption. 
A) refraction. 
B) reflection. 
C) scattering. 
D) absorption.

Question 16

The brightest and most common rainbows are

Accepted Answer

A) primary rainbows. 
B) secondary rainbows. 
C) moonbows. 
D) glories. 
A) primary rainbows. 
B) secondary rainbows. 
C) moonbows. 
D) glories.

Question 17

In its path from the top of the atmosphere to the surface of the earth,radiation undergoes which of the following?

Accepted Answer

A) refraction 
B) reflection 
C) scattering 
D) all of these 
A) refraction 
B) reflection 
C) scattering 
D) all of these

Question 18

What is a sundog and how is it formed?

Accepted Answer

Platelike ice crystals larger than about

Question 19

Near the earth's surface,vertical changes of air density with height are caused primarily by

Accepted Answer

A) vertical moisture gradients. 
B) horizontal moisture gradients. 
C) horizontal temperature gradients. 
D) vertical temperature gradients. 
A) vertical moisture gradients. 
B) horizontal moisture gradients. 
C) horizontal temperature gradients. 
D) vertical temperature gradients.

Question 20

The optical effect in the figure is

Accepted Answer

A) a halo. 
B) a sundog. 
C) a glory. 
D) a green flash. 
A) a halo. 
B) a sundog. 
C) a glory. 
D) a green flash.

Why does refraction occur?

Explain the presence of red and orange at sunrise and sunset.

Mirages are caused by

If the density of the atmosphere decreases with height,than a distant building would appear ________ than it really is.

Sundogs form when platelike ice crystals

How does the length of twilight vary from summer to winter?

Explain how a primary rainbow is formed.

________ are formed by the interaction of light with ice crystals.

When the Sun is positioned slightly below the horizon,its direct rays cannot be seen at the surface,but diffuse radiation can illuminate the sky to create ________ conditions.

A refraction pattern in which rays are bent concave upward can be caused by

Which of the following is NOT associated with a superior mirage?

Halos exhibit radii of refraction of degrees and degrees.

The figure depicts

A mirage that forms with warm air above a cool water surface is

A difference in air density can cause

The brightest and most common rainbows are

In its path from the top of the atmosphere to the surface of the earth,radiation undergoes which of the following?

What is a sundog and how is it formed?

Near the earth's surface,vertical changes of air density with height are caused primarily by

The optical effect in the figure is

Energy and Mass

Solar Radiation and the Seasons

Energy Balance and Temperature

Atmospheric Pressure and Wind

Atmospheric Moisture

Cloud Development and Forms

Precipitation Processes

Atmospheric Circulation and Pressure Distributions

Air Masses and Fronts

Midlatitude Cyclones

Lightning, thunder, and Tornadoes

Tropical Storms and Hurricanes

Weather Forecasting and Analysis

Human Effects on the Atmosphere

Earths Climates

Climate Changes: Past and Future

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Exam 17: Atmospheric Optics Online Only in Masteringmeteorology

Why does refraction occur?

Explain the presence of red and orange at sunrise and sunset.

Mirages are caused by

If the density of the atmosphere decreases with height,than a distant building would appear ________ than it really is.

Sundogs form when platelike ice crystals

How does the length of twilight vary from summer to winter?

Explain how a primary rainbow is formed.

________ are formed by the interaction of light with ice crystals.

When the Sun is positioned slightly below the horizon,its direct rays cannot be seen at the surface,but diffuse radiation can illuminate the sky to create ________ conditions.

A refraction pattern in which rays are bent concave upward can be caused by

Which of the following is NOT associated with a superior mirage?

Halos exhibit radii of refraction of ________ degrees and ________ degrees.

The figure depicts

A mirage that forms with warm air above a cool water surface is

A difference in air density can cause

The brightest and most common rainbows are

In its path from the top of the atmosphere to the surface of the earth,radiation undergoes which of the following?

What is a sundog and how is it formed?

Near the earth's surface,vertical changes of air density with height are caused primarily by

The optical effect in the figure is

Energy and Mass

Solar Radiation and the Seasons

Energy Balance and Temperature

Atmospheric Pressure and Wind

Atmospheric Moisture

Cloud Development and Forms

Precipitation Processes

Atmospheric Circulation and Pressure Distributions

Air Masses and Fronts

Midlatitude Cyclones

Lightning, thunder, and Tornadoes

Tropical Storms and Hurricanes

Weather Forecasting and Analysis

Human Effects on the Atmosphere

Earths Climates

Climate Changes: Past and Future

Filters

Halos exhibit radii of refraction of degrees and degrees.