Question 1

Sunburns are produced by

Accepted Answer

A)   visible light.
B)   ultraviolet light.
C)   infrared light.
D)   all of these
E)   none of these

Question 2

Glass is transparent to wave frequencies that

Accepted Answer

A)   are below its natural frequencies.
B)   match its natural frequencies.
C)   both of these
D)   none of these

Question 3

When the frequency of light matches the natural frequency of molecules in a material, light is

Accepted Answer

A)   transmitted.
B)   absorbed.
C)   reflected.
D)   none of these

Question 4

The complementary color of blue is

Accepted Answer

A)   green.
B)   cyan.
C)   yellow.
D)   magenta.
E)   red.

Question 5

Which will warm up quicker in sunlight?

Accepted Answer

A)   a piece of clear glass
B)   a piece of colored glass
C)   both the same

Question 6

Interference is a property of

Accepted Answer

A)   water waves.
B)   sound waves.
C)   light waves.
D)   all of these
E)   none of these

Question 7

The sensation of color is seen when light falls on the eye's

Accepted Answer

A)   cones.
B)   rods.
C)   both
D)   neither

Question 8

Distant dark colored hills appear blue because that is the color of the

Accepted Answer

A)   selectively reflected light that reaches a distant observer.
B)   atmosphere between the observer and the hills.
C)   reflected light that survives scattering.
D)   sky that is reflected off the hills.

Question 9

When visible light is incident upon clear glass, atoms in the glass

Accepted Answer

A)   convert the light energy into internal energy.
B)   resonate.
C)   are forced into vibration.

Question 10

The speed of light in the void between molecules in glass is

Accepted Answer

A)   the same as its speed in a vacuum.
B)   more than its speed in a vacuum.
C)   less than its speed in a vacuum.

Question 11

The fact that you can get sunburned while submerged in water is evidence that water

Accepted Answer

A)   transmits ultraviolet light.
B)   absorbs infrared light.
C)   absorbs ultraviolet light.
D)   transmits infrared light.

Question 12

The natural frequency of the atoms in glass is in the

Accepted Answer

A)   ultraviolet part of the spectrum.
B)   visible part of the spectrum.
C)   infrared part of the spectrum.

Question 13

Colors seen when gasoline forms a thin film on water are a demonstration of

Accepted Answer

A)   reflection.
B)   refraction.
C)   polarization.
D)   interference.
E)   dispersion.

Question 14

The whiteness of clouds is evidence in the clouds for a variety of

Accepted Answer

A)   water prisms.
B)   light intensities.
C)   molecules.
D)   particle sizes.
E)   "seeds" upon which condensation of cloud material forms.

Question 15

Infrared waves are often called heat waves because they

Accepted Answer

A)   emanate from relatively hot sources.
B)   are the predominant waves emitted by the sun.
C)   induce resonance in molecules and increase internal energy in a substance.
D)   consist of frequencies lower than those of visible light.
E)   are absorbed rather than reflected by the skin.

Question 16

If three primary colors of light are to shine on a white wall to produce a white spot, the primaries must be

Accepted Answer

A)   multiplicative.
B)   additive.
C)   subtractive.
D)   divisive.

Question 17

Which interacts more with light of relatively high frequencies?

Accepted Answer

A)   small particles
B)   large particles
C)   both the same

Question 18

The main difference between a radio wave and a light wave is its

Accepted Answer

A)   wavelength.
B)   speed.
C)   frequency.
D)   all of these
E)   two of these

Question 19

Color is seen by

Accepted Answer

A)   the rods in the eye.
B)   the cones in the eye.
C)   both of these
D)   neither of these

Question 20

When long-wavelength light is seen in the interference colors of a soap bubble, the wavelength being cancelled is relatively

Accepted Answer

A)   long.
B)   short.
C)   neither

Exam 13: Light Waves

When long-wavelength light is seen in the interference colors of a soap bubble, the wavelength being cancelled is relatively

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Color is seen by

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If three primary colors of light are to shine on a white wall to produce a white spot, the primaries must be

Correct AnswerverifiedShow Answer

Sunburns are produced by

Correct AnswerverifiedShow Answer

Colors seen when gasoline forms a thin film on water are a demonstration of

Correct AnswerverifiedShow Answer

The complementary color of blue is

Correct AnswerverifiedShow Answer

The fact that you can get sunburned while submerged in water is evidence that water

Correct AnswerverifiedShow Answer

Distant dark colored hills appear blue because that is the color of the

Correct AnswerverifiedShow Answer

Infrared waves are often called heat waves because they

Correct AnswerverifiedShow Answer

The main difference between a radio wave and a light wave is its

Correct AnswerverifiedShow Answer

The speed of light in the void between molecules in glass is

Correct AnswerverifiedShow Answer

Glass is transparent to wave frequencies that

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The whiteness of clouds is evidence in the clouds for a variety of

Correct AnswerverifiedShow Answer

When the frequency of light matches the natural frequency of molecules in a material, light is

Correct AnswerverifiedShow Answer

Which interacts more with light of relatively high frequencies?

Correct AnswerverifiedShow Answer

When visible light is incident upon clear glass, atoms in the glass

Correct AnswerverifiedShow Answer

The sensation of color is seen when light falls on the eye's

Correct AnswerverifiedShow Answer

Interference is a property of

Correct AnswerverifiedShow Answer

The natural frequency of the atoms in glass is in the

Correct AnswerverifiedShow Answer

Which will warm up quicker in sunlight?

Correct AnswerverifiedShow Answer

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