Question 1

Clouds that refract sunlight or moonlight and take on bright violet,green,and pink colors are called:

Accepted Answer

A)  iridescent clouds.
B)  the glory.
C)  coronal clouds.
D)  sprites.

Question 2

You will not be able to see a rainbow if the Sun is greater than ________° above the horizon.

Accepted Answer

The answer of You will not be able to see...

Question 3

A layer of very warm,low density air near the surface causes light to:

Accepted Answer

A)  bend in a curve that follows the curvature of the Earth's surface.
B)  bend in a curve opposite that of the Earth.
C)  reflect at a higher angle off of the surface.
D)  separate into its various color components.

Question 4

If you see a rainbow in the afternoon,it means the bad weather has already passed.

Accepted Answer

A) True 
 B)False

Question 5

The angle of incidence is equal to the angle of ________.

Accepted Answer

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

Question 6

Which of these are the primary optical phenomena causing a rainbow?

Accepted Answer

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

Question 7

Because the glory forms opposite the Sun's position,the observer's shadow will always be found within the glory.

Accepted Answer

A) True 
 B)False

Question 8

In order to see a rainbow,an observer must ________ the Sun and ________ the rain.

Accepted Answer

A)  have his back to;have his back to
B)  face;face
C)  face;have his back to
D)  have his back to;face

Question 9

If you want to see the glory from the surface of the Earth,which conditions must be met?

Accepted Answer

A)  You must be above a bank of fog or clouds with the sun at your back.
B)  You must be near a body of water when the sun is low on the horizon.
C)  You must be viewing a halo when the sun is rising.
D)  It is impossible to see the glory from the ground;you must be on an airplane.

Question 10

A ________ is one of the few optical phenomena more frequently observed with the moon than the sun.

Accepted Answer

A)  halo
B)  corona
C)  green flash
D)  pillar

Question 11

The ________ is not often seen by earthbound observers.

Accepted Answer

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

Question 12

We are able to perceive light as bending.

Accepted Answer

A) True 
 B)False

Question 13

Why don't halos display the colors of a rainbow?

Accepted Answer

A)  The shape and size of ice crystals are not uniform.
B)  Refraction does not occur with a halo.
C)  Reflection does not occur with a halo.
D)  Ice crystals are not transparent.

Question 14

Why are mirages generally associated with either very hot surface temperatures or very cold surface temperatures?

Accepted Answer

Mirages occur when there are very rapid ...

Question 15

Halos:

Accepted Answer

A)  are usually red.
B)  come in four sizes.
C)  are formed by six-sided crystals.
D)  are actually invisible.

Question 16

The ________ is seen most often in morning and late afternoon when the Sun is near the horizon.

Accepted Answer

A)  sun dog
B)  halo
C)  rainbow
D)  glory
E)  A,B and C

Question 17

________ occurs when cold air near the surface bends light in the same direction as the Earth's curvature,causing the object to appear suspended above the horizon.

Accepted Answer

A)  Fata Morgana
B)  Towering
C)  Looming
D)  Aurora borealis

Question 18

________ occurs when light that is traveling through a transparent material reaches the opposite surface and is reflected back into the transparent material.

Accepted Answer

A)  External refraction
B)  External reflection
C)  Internal refraction
D)  Internal reflection

Question 19

Reflection,refraction and diffraction all cause light to change its:

Accepted Answer

A)  direction.
B)  frequency.
C)  intensity.
D)  color.

Question 20

Which of these is most important for splitting the Sun's light into its separate colors?

Accepted Answer

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

Exam 16: Optical Phenomena of the Atmosphere

________ occurs when light that is traveling through a transparent material reaches the opposite surface and is reflected back into the transparent material.

Correct AnswerverifiedShow Answer

In order to see a rainbow,an observer must ________ the Sun and ________ the rain.

Correct AnswerverifiedShow Answer

The ________ is not often seen by earthbound observers.

Correct AnswerverifiedShow Answer

The angle of incidence is equal to the angle of ________.

Correct AnswerverifiedShow Answer

The ________ is seen most often in morning and late afternoon when the Sun is near the horizon.

Correct AnswerverifiedShow Answer

You will not be able to see a rainbow if the Sun is greater than ________° above the horizon.

Correct AnswerverifiedShow Answer

Reflection,refraction and diffraction all cause light to change its:

Correct AnswerverifiedShow Answer

If you see a rainbow in the afternoon,it means the bad weather has already passed.

Correct AnswerverifiedShow Answer

A layer of very warm,low density air near the surface causes light to:

Correct AnswerverifiedShow Answer

Clouds that refract sunlight or moonlight and take on bright violet,green,and pink colors are called:

Correct AnswerverifiedShow Answer

Because the glory forms opposite the Sun's position,the observer's shadow will always be found within the glory.

Correct AnswerverifiedShow Answer

If you want to see the glory from the surface of the Earth,which conditions must be met?

Correct AnswerverifiedShow Answer

Which of these is most important for splitting the Sun's light into its separate colors?

Correct AnswerverifiedShow Answer

Why are mirages generally associated with either very hot surface temperatures or very cold surface temperatures?

Correct AnswerverifiedMirages occur when there are very rapid ...View AnswerShow Answer

Why don't halos display the colors of a rainbow?

Correct AnswerverifiedShow Answer

A ________ is one of the few optical phenomena more frequently observed with the moon than the sun.

Correct AnswerverifiedShow Answer

We are able to perceive light as bending.

Correct AnswerverifiedShow Answer

________ occurs when cold air near the surface bends light in the same direction as the Earth's curvature,causing the object to appear suspended above the horizon.

Correct AnswerverifiedShow Answer

Which of these are the primary optical phenomena causing a rainbow?

Correct AnswerverifiedShow Answer

Halos:

Correct AnswerverifiedShow Answer

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In order to see a rainbow,an observer must the Sun and the rain.

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Mirages occur when there are very rapid ...
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