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khols questions 29 Test

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1.
What is the virtual image of a convex mirror?
incorrect
2.
What is the angle formed between the incident ray and the normal called?
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3.
What reflects sound energy better: rigid, smooth surfaces or soft, irregular surfaces?
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4.
What kind of mirrors are examples of plane mirrors?
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5.
What happens to light when it is incident on a rough surface?
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6.
What is the relationship between the angle of incidence and the angle of reflection?
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7.
What is the difference between virtual and real images?
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8.
What are examples of convex mirrors?
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9.
What is an image?
A.
security mirrors; traffic control mirrors
B.
the angle of incidence is equal to the angle of reflection
C.
the angle of incidence.
D.
virtual images are always upright; real images are always inverted.
E.
bathroom mirrors, dressing room mirrors.
F.
a image smaller and farther away to the mirror than the object is.
G.
a likeness or reproduction of an object.
H.
the light is reflected in many directions.
I.
rigid and smooth surfaces
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incorrect
10.
What is the study of the reflective properties of surfaces?
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11.
How much energy is reflected when light strikes glass perpendicularly?
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12.
What happens when a wave that is traveling at an angle changes its speed upon crossing a boundary between two media?
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13.
What is the shape of a concave mirror?
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14.
the bouncing back of a particle or wave that strikes a boundary between two media
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15.
the bending of a wave as it crosses the boundary between two media at an angle.

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