Question 1

The glare seen from water is largely

Accepted Answer

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

Question 2

A dolphin perceives greater detail by emitting sounds of

Accepted Answer

A)  lower frequency.
B)  higher frequency.
C)  greater intensity.
D)  greater speed.
E)  none of the above

Question 3

Light travels through non-cubic transparent crystals

Accepted Answer

A)  in mutually perpendicular directions.
B)  without refracting.
C)  and becomes polarized in the process.
D)  at different speeds along different optic axes.
E)  none of the above

Question 4

A pair of crossed Polaroids will transmit light

Accepted Answer

A)  of sufficiently long wavelengths.
B)  that itself is polarized.
C)  if a third Polaroid at about 45 degrees is inserted between the two.

Question 5

Radio waves that diffract more around small buildings are

Accepted Answer

A)  AM.
B)  FM.
C)  both diffract equally

Question 6

A razor blade nicely shows diffraction fringes when illuminated with

Accepted Answer

A)  ultraviolet light.
B)  monochromatic light.
C)  sunlight.
D)  all of the above
E)  none of the above

Question 7

The function of polarizing filters in viewing 3-D slides or movies is to provide each eye

Accepted Answer

A)  the ability to see parallax.
B)  a balanced intensity.
C)  an independent left or right-eye view.
D)  a stereoscopic view.
E)  with light polarized at right angles to each other.

Question 8

A thin film appears yellow when illuminated with white light. The color being cancelled by destructive interference is

Accepted Answer

A)  red.
B)  green.
C)  white.
D)  blue.
E)  none of the above

Question 9

Newton's rings will be closer together if illuminated with

Accepted Answer

A)  red light.
B)  blue light.
C)  white light.
D)  none of the above

Question 10

A thin film appears magenta when illuminated with white light. The color being cancelled by destructive interference is

Accepted Answer

A)  red.
B)  green.
C)  white.
D)  blue.
E)  none of the above

Question 11

Parallax is evident when you view objects

Accepted Answer

A)  with one eye.
B)  with both eyes.
C)  with one or both eyes.
D)  in a completely dark room.

Question 12

Light from two closely-spaced stars cannot produce a steady interference pattern due to

Accepted Answer

A)  incoherence.
B)  the inherent instability of the atmosphere.
C)  their different radial distances.
D)  their non-point like natures.
E)  closely spaced stars not producing interference patterns.

Question 13

A painting looks less flat when viewed with

Accepted Answer

A)  one eye.
B)  both eyes.
C)  Polaroid glasses.

Question 14

Interference is a property of

Accepted Answer

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

Question 15

When waves from a pair of closely-spaced slits arrive in phase

Accepted Answer

A)  a bright fringe is produced.
B)  a dark fringe is produced.
C)  both bright and dark fringes are produced.
D)  none of the above

Question 16

Thomas Young's two-source interference patterns demonstrate the

Accepted Answer

A)  particle nature of light.
B)  wave nature of light.
C)  both of these
D)  neither of these

Question 17

Monochromatic light is light of a single

Accepted Answer

A)  wavelength.
B)  frequency.
C)  color.
D)  all of the above
E)  none of the above

Question 18

In the double-slit experiment, fringes are more widely spaced when illumination is with monochromatic

Accepted Answer

A)  low-frequency light.
B)  high-frequency light.
C)  polarized light.
D)  none of the above

Question 19

Light will pass through a pair of Polaroids when their axes are

Accepted Answer

A)  45 degrees to each other.
B)  parallel.
C)  either of these
D)  neither of these

Question 20

Colors seen when gasoline forms a thin film on water illustrate

Accepted Answer

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

Exam 29: Light Waves

A razor blade nicely shows diffraction fringes when illuminated with

Correct AnswerverifiedShow Answer

In the double-slit experiment, fringes are more widely spaced when illumination is with monochromatic

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A thin film appears magenta when illuminated with white light. The color being cancelled by destructive interference is

Correct AnswerverifiedShow Answer

Thomas Young's two-source interference patterns demonstrate the

Correct AnswerverifiedShow Answer

Monochromatic light is light of a single

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Colors seen when gasoline forms a thin film on water illustrate

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The glare seen from water is largely

Correct AnswerverifiedShow Answer

A pair of crossed Polaroids will transmit light

Correct AnswerverifiedShow Answer

Parallax is evident when you view objects

Correct AnswerverifiedShow Answer

Radio waves that diffract more around small buildings are

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When waves from a pair of closely-spaced slits arrive in phase

Correct AnswerverifiedShow Answer

Light will pass through a pair of Polaroids when their axes are

Correct AnswerverifiedShow Answer

A thin film appears yellow when illuminated with white light. The color being cancelled by destructive interference is

Correct AnswerverifiedShow Answer

A dolphin perceives greater detail by emitting sounds of

Correct AnswerverifiedShow Answer

Newton's rings will be closer together if illuminated with

Correct AnswerverifiedShow Answer

Light from two closely-spaced stars cannot produce a steady interference pattern due to

Correct AnswerverifiedShow Answer

A painting looks less flat when viewed with

Correct AnswerverifiedShow Answer

Light travels through non-cubic transparent crystals

Correct AnswerverifiedShow Answer

The function of polarizing filters in viewing 3-D slides or movies is to provide each eye

Correct AnswerverifiedShow Answer

Interference is a property of

Correct AnswerverifiedShow Answer

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