Question 1

Rainbows are not usually seen as complete circles because

Accepted Answer

A)  the ground is usually in the way. 
B)  rainbows are actually arched shaped. 
C)  they are actually elliptical. 
D)  raindrops are not perfectly round. 
E)  they have no bottom part. 
A)  the ground is usually in the way. 
B)  rainbows are actually arched shaped. 
C)  they are actually elliptical. 
D)  raindrops are not perfectly round. 
E)  they have no bottom part.

Question 2

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

Question 3

The glare seen from water is largely

Accepted Answer

A)  non polarized. 
B)  horizontally polarized. 
C)  vertically polarized. 
A)  non polarized. 
B)  horizontally polarized. 
C)  vertically polarized.

Question 4

Reflected light from the moon in a lake often appears as a vertical column when the water is

Accepted Answer

A)  slightly rough. 
B)  perfectly still. 
C)  very rough - churning with waves. 
A)  slightly rough. 
B)  perfectly still. 
C)  very rough - churning with waves.

Question 5

If you view exact duplicates of slides in the left and right positions of a stereo projector, you can see

Accepted Answer

A)  depth. 
B)  no depth. 
A)  depth. 
B)  no depth.

Question 6

Light is emitted when

Accepted Answer

A)  electromagnetic waves emanate from matter. 
B)  atomic nuclei are made to vibrate. 
C)  high-frequency sound waves strike matter. 
D)  electron clouds of atoms are forced into oscillation. 
A)  electromagnetic waves emanate from matter. 
B)  atomic nuclei are made to vibrate. 
C)  high-frequency sound waves strike matter. 
D)  electron clouds of atoms are forced into oscillation.

Question 7

If you wish to hit a red fish with a red laser beam, you should compensate for refraction between the air and water by aiming your laser

Accepted Answer

A)  above the sighted fish. 
B)  below the sighted fish. 
C)  directly at the sighted fish. 
A)  above the sighted fish. 
B)  below the sighted fish. 
C)  directly at the sighted fish.

Question 8

The image of the "infinitely-far-away" sun produced by a converging lens appears

Accepted Answer

A)  between the lens and the focal point. 
B)  beyond the focal point. 
C)  at the focal point. 
A)  between the lens and the focal point. 
B)  beyond the focal point. 
C)  at the focal point.

Question 9

The first ones to use optical fibers were

Accepted Answer

A)  polar bears. 
B)  physicists. 
C)  engineers. 
D)  surgeons. 
E)  mechanics. 
A)  polar bears. 
B)  physicists. 
C)  engineers. 
D)  surgeons. 
E)  mechanics.

Question 10

The twinkling of the stars is a result of atmospheric

Accepted Answer

A)  scattering. 
B)  aberrations. 
C)  reflection. 
D)  dispersion. 
E)  refraction. 
A)  scattering. 
B)  aberrations. 
C)  reflection. 
D)  dispersion. 
E)  refraction.

Question 11

When white light goes from air into water, the color that refracts the most is

Accepted Answer

A)  orange. 
B)  green. 
C)  violet. 
D)  red. 
E)  All refract the same amount. 
A)  orange. 
B)  green. 
C)  violet. 
D)  red. 
E)  All refract the same amount.

Question 12

If you wish to hit a blue fish with a red laser beam, you should compensate for refraction between the air and water by aiming your laser

Accepted Answer

A)  above the sighted fish. 
B)  below the sighted fish. 
C)  directly at the sighted fish. 
A)  above the sighted fish. 
B)  below the sighted fish. 
C)  directly at the sighted fish.

Question 13

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

Question 14

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

Accepted Answer

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

Question 15

If you wish to send a beam of laser light to a space station that is just above the atmosphere near the horizon, you should aim your laser

Accepted Answer

A)  above your line of sight. 
B)  along your line of sight. 
C)  below your line of sight. 
A)  above your line of sight. 
B)  along your line of sight. 
C)  below your line of sight.

Rainbows are not usually seen as complete circles because

The sun's elliptical shape at sunset can be adequately explained by

The glare seen from water is largely

Reflected light from the moon in a lake often appears as a vertical column when the water is

If you view exact duplicates of slides in the left and right positions of a stereo projector, you can see

Light is emitted when

If you wish to hit a red fish with a red laser beam, you should compensate for refraction between the air and water by aiming your laser

The image of the "infinitely-far-away" sun produced by a converging lens appears

The first ones to use optical fibers were

The twinkling of the stars is a result of atmospheric

When white light goes from air into water, the color that refracts the most is

If you wish to hit a blue fish with a red laser beam, you should compensate for refraction between the air and water by aiming your laser

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

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

If you wish to send a beam of laser light to a space station that is just above the atmosphere near the horizon, you should aim your laser

About Science

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Temperature, Heat, and Thermodynamics

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Exam 14: Properties of Light

Rainbows are not usually seen as complete circles because

The sun's elliptical shape at sunset can be adequately explained by

The glare seen from water is largely

Reflected light from the moon in a lake often appears as a vertical column when the water is

If you view exact duplicates of slides in the left and right positions of a stereo projector, you can see

Light is emitted when

If you wish to hit a red fish with a red laser beam, you should compensate for refraction between the air and water by aiming your laser

The image of the "infinitely-far-away" sun produced by a converging lens appears

The first ones to use optical fibers were

The twinkling of the stars is a result of atmospheric

When white light goes from air into water, the color that refracts the most is

If you wish to hit a blue fish with a red laser beam, you should compensate for refraction between the air and water by aiming your laser

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

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

If you wish to send a beam of laser light to a space station that is just above the atmosphere near the horizon, you should aim your laser

About Science

Atoms

Equilibrium and Linear Motion

Newtons Laws of Motion

Momentum and Energy

Gravity, Projectiles, and Satellites

Fluid Mechanics

Temperature, Heat, and Thermodynamics

Heat Transfer and Change of Phase

Static and Current Electricity

Magnetism and Electromagnetic Induction

Waves and Sound

Light Waves

Quantum Theory

The Atomic Nucleus and Radioactivity

Physics of Rotation and Equilibrium

Filters