Question 1

If people see a rainbow in the morning, they are facing west toward the rain shower, and it is likely that the clouds and showers will move away from them.

Accepted Answer

A) True 
 B)False

Question 2

Volcanic eruptions rich in ____________________ can produce red sunsets.

Accepted Answer

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

Question 3

A reflection of sunlight off ice crystals is called a____.

Accepted Answer

A) rainbow 
B) halo 
C) sun pillar 
D) sundog 
E) glory

Question 4

How does the human eye perceive light? What would happen if humans only had rod-type receptors?

Accepted Answer

The answer of How does the human eye perceive light?...

Question 5

Sundogs are caused by ____________________ of sunlight through ice crystals.

Accepted Answer

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

Question 6

Fata Morgana are most commonly seen ____.

Accepted Answer

A) where warm air rests above a cold surface 
B) where cold air rests above a hot surface 
C) when it is raining above a hot surface 
D) when it is raining above a cold surface 
E) at noon in middle latitudes

Question 7

A star much hotter than our Sun radiates more energy at shorter wavelengths and thus appears redder.

Accepted Answer

A) True 
 B)False

Question 8

The phenomenon that can sometimes be seen near the upper rim of a setting or rising Sun is called ____.

Accepted Answer

A) sun pillar 
B) the glory 
C) a corona 
D) the green flash 
E) the Fata Morgana

Question 9

The sky is blue because air molecules selectively ____ blue light.

Accepted Answer

A) scatter 
B) absorb 
C) diffract 
D) disperse 
E) emit

Question 10

Without the atmosphere, there would be no refraction or scattering, and the Sun would rise later and set earlier than it now does.

Accepted Answer

A) True 
 B)False

Question 11

Which events are caused by the refraction of light through ice crystals?

Accepted Answer

A) Rainbows and halos 
B) Halos and the green flash 
C) Halos and sundogs 
D) Sundogs and sun pillars 
E) Mirages and sundogs

Question 12

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

Accepted Answer

A) True 
 B)False

Question 13

Another term for reflected light is diffuse light.

Accepted Answer

A) True 
 B)False

Question 14

The blue color of distant mountains is due primarily to ____.

Accepted Answer

A) diffraction of light 
B) scattering of light 
C) refraction of light 
D) emission of light 
E) absorption of light

Question 15

This forms when sunlight that falls on nearly spherical dewdrops is focused and reflected back toward the Sun along nearly the same path it took originally.

Accepted Answer

A) Halo 
B) Inferior mirage 
C) Corona 
D) Heiligenschein 
E) Sun pillar

Question 16

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 17

____________________ is the name given to the time after sunset (and immediately before sunrise)when the sky remains illuminated.

Accepted Answer

The answer of ____________________ is the name given to the...

Question 18

Explain why the sky is blue during the day and black at night.

Accepted Answer

The answer of Explain why the sky is blue during...

Question 19

Red sunsets, blue moons, and milky-white skies are mainly the result of ____.

Accepted Answer

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

Question 20

If Earth did not have an atmosphere, the sky would appear ____ during the day.

Accepted Answer

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

Exam 20: Light, Color and Atmospheric Optics

If people see a rainbow in the morning, they are facing west toward the rain shower, and it is likely that the clouds and showers will move away from them.

Volcanic eruptions rich in ____________________ can produce red sunsets.

A reflection of sunlight off ice crystals is called a____.

How does the human eye perceive light? What would happen if humans only had rod-type receptors?

Sundogs are caused by ____________________ of sunlight through ice crystals.

Fata Morgana are most commonly seen ____.

A star much hotter than our Sun radiates more energy at shorter wavelengths and thus appears redder.

The phenomenon that can sometimes be seen near the upper rim of a setting or rising Sun is called ____.

The sky is blue because air molecules selectively ____ blue light.

Without the atmosphere, there would be no refraction or scattering, and the Sun would rise later and set earlier than it now does.

Which events are caused by the refraction of light through ice crystals?

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

Another term for reflected light is diffuse light.

The blue color of distant mountains is due primarily to ____.

This forms when sunlight that falls on nearly spherical dewdrops is focused and reflected back toward the Sun along nearly the same path it took originally.

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

____________________ is the name given to the time after sunset (and immediately before sunrise)when the sky remains illuminated.

Explain why the sky is blue during the day and black at night.

Red sunsets, blue moons, and milky-white skies are mainly the result of ____.

If Earth did not have an atmosphere, the sky would appear ____ during the day.