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Section 11.3
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1
How many times does sunlight refract when it enters and leaves a water droplet during the formation of a rainbow?
A)None. Sunlight is reflected off the surface of the droplet to create a rainbow. There is no refraction.
B)The sunlight refracts once.
C)The sunlight refracts twice.
D)The number of times the sunlight refracts depends on the angle of incidence.
2
What are sundogs?
A)They are produced when sunlight passes through droplets of water in the atmosphere.
B)They are produced when sunlight passes through ice crystals in the atmosphere.
C)They refer to the apparent movement of objects in hot air over objects and surfaces.
D)They are optical effects that appear when light rays pass through layers of air that have extremely different temperatures.
3
The apparent movement of objects in one layer of hot air over objects and surfaces is known as…
A)a mirage.
B)apparent depth.
C)sundogs.
D)shimmering.
4
What is created when light rays bend as they pass through layers of air that have extremely different temperatures?
A)a mirage
B)a rainbow
C)sundogs
D)apparent depth
5
When you look in a fish pond, the fish appear closer to the surface than they really are. This is an example of…
A)shimmering.
B)apparent depth.
C)a mirage.
D)internal reflection.
6
When a temperature inversion occurs, how does the object appear to an observer?
A)The object appears as if it is floating over the surface.
B)The object appears closer to the observer than it really is.
C)The object appears farther from the observer than it really is.
D)Temperature inversion will completely hide the object.







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