Question 1

When you view a distant rainbow,each single water drop contributes to the bow

Accepted Answer

A)  a single color.
B)  either low-,middle-,or high-frequency colors in most cases.
C)  all the colors of the rainbow.D) None of the above
E) All of the above

Question 2

It is difficult to see the roadway in front of you when you are driving on a rainy night mainly because

Accepted Answer

A)  light scatters from raindrops and cuts down the light to reach your eyes.
B)  of added condensation on the inner surface of the windshield.
C)  the film of water on your windshield provides an additional reflecting surface.
D)  the film of water on the roadway makes the road less diffuse.
E)  none of theseF) A) and C)
G) A) and B)

Question 3

When taking a picture of a nearby object,your camera lens should be moved

Accepted Answer

A)  closer than one focal length from the film.
B)  farther than one focal length from the film.
C)  to one focal length from the film.D) B) and C)
E) A) and C)

Question 4

At night an underwater scuba diver aims his flashlight beam toward the surface at an angle of 15 degrees with the normal.Upon emerging,the beam angle will be

Accepted Answer

A)  less than 15 degrees.
B)  15 degrees.
C)  more than 15 degrees.
D)  impossible to predict.E) All of the above
F) A) and D)

Question 5

The amount of light reflected from the front surface of a common windowpane is about

Accepted Answer

A)  4 percent.
B)  8 percent.
C)  40 percent.
D)  92 percent.
E)  96 percent.F) A) and D)
G) A) and C)

Question 6

The shortest plane mirror in which you can see your entire image is

Accepted Answer

A)  half your height.
B)  about 3/4 your height.
C)  about 1/3 your height.
D)  equal to your height.
E)  dependent on your distance from the mirror.F) A) and E)
G) None of the above

Question 7

Chromatic aberration is a consequence of different colors in a lens having different

Accepted Answer

A)  aberrations.
B)  frequencies.
C)  energies.
D)  critical angles.
E)  speeds.F) A) and E)
G) A) and D)

Question 8

When light passes through an ordinary window pane,its angle of emergence is

Accepted Answer

A)  usually less than its angle of incidence.
B)  always less than its angle of incidence.
C)  the same as its angle of incidence.
D)  usually more than its angle of incidence.
E)  always more than its angle of incidence.F) All of the above
G) A) and C)

Question 9

Standing at the shore of a still lake,the reflected view of scenery on the far side of the lake is the view you would see if you were upside down with your eye in the line of sight

Accepted Answer

A)  where it already is.
B)  at the surface of the water where the light reflects.
C)  directly beneath you,as far below water level as you are above.
D)  close to the distant shore.
E)  none of theseF) A) and B)
G) A) and E)

Question 10

Rainbows exist because light is

Accepted Answer

A)  reflected.
B)  refracted.
C)  both of these
D)  neither of theseE) A) and D)
F) B) and C) C

Question 11

Atmospheric refraction makes the daylight hours a bit

Accepted Answer

A)  longer.
B)  shorter.
C)  longer in summer but shorter in winter.D) A) and C)
E) All of the above

Question 12

A yellow-white candle flame reflected from a piece of red glass shows two images;one from each surface.

Accepted Answer

A)  Both images are yellow-white.
B)  One image is yellow-white and the other red.
C)  Both images are red.
D)  Both images are reddish yellow.E) A) and B)
F) A) and D)

Question 13

The critical angle is least in which of the following?

Accepted Answer

A)  glass
B)  water
C)  diamond
D)  vacuumE) None of the above
F) B) and C) C

Question 14

A "burning glass" used to concentrate sunlight in a tiny spot is a

Accepted Answer

A)  converging lens.
B)  diverging lens.
C)  either
D)  neitherE) B) and C)
F) B) and D)

Question 15

When the pinhole in a pinhole camera is made larger,the image is

Accepted Answer

A)  brighter.
B)  clearer.
C)  both
D)  neitherE) A) and B)
F) A) and C)

Question 16

Optical fibers are now used by

Accepted Answer

A)  surgeons.
B)  mechanics.
C)  engineers.
D)  all of theseE) B) and D)
F) A) and C)

Question 17

Use the following figure to answer the question: 
-The sun's elliptical shape at sunset can be adequately explained by

Accepted Answer

A)  Fermat's principle.
B)  the law of refraction.
C)  both of these
D)  none of theseE) A) and B)
F) C) and D)

Question 18

Which of the following can be projected onto a viewing screen?

Accepted Answer

A)  a real image
B)  a virtual image
C)  both
D)  neitherE) A) and C)
F) C) and D) A

Question 19

Which of the following are consequences of light's traveling at different speeds in different media?

Accepted Answer

A)  mirages
B)  rainbows
C)  internal reflection
D)  all of these
E)  none of theseF) A) and B)
G) A) and C)

Question 20

A fish outside water will see better if it has goggles that are

Accepted Answer

A)  tinted blue.
B)  hemispheres.
C)  filled with water.
D)  extremely shiny.
E)  none of theseF) B) and D)
G) D) and E)

Exam 28: Reflection and Refraction

When you view a distant rainbow,each single water drop contributes to the bow

Correct Answer
verified

It is difficult to see the roadway in front of you when you are driving on a rainy night mainly because

Correct Answer
verified

When taking a picture of a nearby object,your camera lens should be moved

Correct Answer
verified

At night an underwater scuba diver aims his flashlight beam toward the surface at an angle of 15 degrees with the normal.Upon emerging,the beam angle will be

Correct Answer
verified

The amount of light reflected from the front surface of a common windowpane is about

Correct Answer
verified

The shortest plane mirror in which you can see your entire image is

Correct Answer
verified

Chromatic aberration is a consequence of different colors in a lens having different

Correct Answer
verified

When light passes through an ordinary window pane,its angle of emergence is

Correct Answer
verified

Standing at the shore of a still lake,the reflected view of scenery on the far side of the lake is the view you would see if you were upside down with your eye in the line of sight

Correct Answer
verified

Rainbows exist because light is

Correct Answer
verified
C

Atmospheric refraction makes the daylight hours a bit

Correct Answer
verified

A yellow-white candle flame reflected from a piece of red glass shows two images;one from each surface.

Correct Answer
verified

The critical angle is least in which of the following?

Correct Answer
verified
C

A "burning glass" used to concentrate sunlight in a tiny spot is a

Correct Answer
verified

When the pinhole in a pinhole camera is made larger,the image is

Correct Answer
verified

Optical fibers are now used by

Correct Answer
verified

Correct Answer
verified

Which of the following can be projected onto a viewing screen?

Correct Answer
verified
A

Which of the following are consequences of light's traveling at different speeds in different media?

Correct Answer
verified

A fish outside water will see better if it has goggles that are

Correct Answer
verified

Exam 28: Reflection and Refraction

When you view a distant rainbow,each single water drop contributes to the bow

Correct AnswerverifiedShow Answer

It is difficult to see the roadway in front of you when you are driving on a rainy night mainly because

Correct AnswerverifiedShow Answer

When taking a picture of a nearby object,your camera lens should be moved

Correct AnswerverifiedShow Answer

At night an underwater scuba diver aims his flashlight beam toward the surface at an angle of 15 degrees with the normal.Upon emerging,the beam angle will be

Correct AnswerverifiedShow Answer

The amount of light reflected from the front surface of a common windowpane is about

Correct AnswerverifiedShow Answer

The shortest plane mirror in which you can see your entire image is

Correct AnswerverifiedShow Answer

Chromatic aberration is a consequence of different colors in a lens having different

Correct AnswerverifiedShow Answer

When light passes through an ordinary window pane,its angle of emergence is

Correct AnswerverifiedShow Answer

Standing at the shore of a still lake,the reflected view of scenery on the far side of the lake is the view you would see if you were upside down with your eye in the line of sight

Correct AnswerverifiedShow Answer

Rainbows exist because light is

Correct AnswerverifiedC

Atmospheric refraction makes the daylight hours a bit

Correct AnswerverifiedShow Answer

A yellow-white candle flame reflected from a piece of red glass shows two images;one from each surface.

Correct AnswerverifiedShow Answer

The critical angle is least in which of the following?

Correct AnswerverifiedC

A "burning glass" used to concentrate sunlight in a tiny spot is a

Correct AnswerverifiedShow Answer

When the pinhole in a pinhole camera is made larger,the image is

Correct AnswerverifiedShow Answer

Optical fibers are now used by

Correct AnswerverifiedShow Answer

Use the following figure to answer the question: -The sun's elliptical shape at sunset can be adequately explained by

Correct AnswerverifiedShow Answer

Which of the following can be projected onto a viewing screen?

Correct AnswerverifiedA

Which of the following are consequences of light's traveling at different speeds in different media?

Correct AnswerverifiedShow Answer

A fish outside water will see better if it has goggles that are

Correct AnswerverifiedShow Answer

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C

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C

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A

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