Question 1

The critical angle is least in which of the following?

Accepted Answer

A)  water 
B)  glass 
C)  vacuum 
D)  diamond 
A)  water 
B)  glass 
C)  vacuum 
D)  diamond D

Question 2

Light refracts when traveling from air into glass because light

Accepted Answer

A)  has greater frequency in air than in glass. 
B)  has greater frequency in glass than in air. 
C)  has greater intensity in air than in glass. 
D)  has greater intensity in glass than in air. 
E)  travels slower in glass than in air. 
A)  has greater frequency in air than in glass. 
B)  has greater frequency in glass than in air. 
C)  has greater intensity in air than in glass. 
D)  has greater intensity in glass than in air. 
E)  travels slower in glass than in air. E

Question 3

To see his full height, a boy that is 1 meter tall needs a mirror that is at least

Accepted Answer

A)  1 m tall. 
B)  0.50 m tall. 
C)  0.33 m tall. 
D)  0.75 m tall. 
E)  depends on how far the mirror is from the boy 
A)  1 m tall. 
B)  0.50 m tall. 
C)  0.33 m tall. 
D)  0.75 m tall. 
E)  depends on how far the mirror is from the boy B

Question 4

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

Accepted Answer

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

Question 5

A person who sees more clearly under water without eyeglasses or a face mask is

Accepted Answer

A)  nearsighted. 
B)  farsighted. 
C)  neither 
A)  nearsighted. 
B)  farsighted. 
C)  neither

Question 6

At night an underwater scuba diver aims his flashlight beam toward the surface at an angle of 45 degrees with the normal. Upon emerging, the beam angle will be

Accepted Answer

A)  45 degrees. 
B)  less than 45 degrees. 
C)  more than 45 degrees. 
D)  impossible to predict. 
A)  45 degrees. 
B)  less than 45 degrees. 
C)  more than 45 degrees. 
D)  impossible to predict.

Question 7

When a light ray passes, at a non-90 degree angle, from water into air, it

Accepted Answer

A)  bends away from the normal. 
B)  bends toward the normal. 
C)  travels much slower. 
A)  bends away from the normal. 
B)  bends toward the normal. 
C)  travels much slower.

Question 8

When you look at yourself in a pocket mirror, and then hold the mirror farther away, you see

Accepted Answer

A)  the same amount of yourself. 
B)  more of yourself. 
C)  less of yourself. 
A)  the same amount of yourself. 
B)  more of yourself. 
C)  less of yourself.

Question 9

If a fish looks upward at 45 degrees with respect to the water's surface, it will see

Accepted Answer

A)  only the water's surface. 
B)  another fish in the pond. 
C)  the bottom of the pond. 
D)  the sky and possibly some hills. 
E)  none of these 
A)  only the water's surface. 
B)  another fish in the pond. 
C)  the bottom of the pond. 
D)  the sky and possibly some hills. 
E)  none of these

Question 10

A mirage is a result of atmospheric

Accepted Answer

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

Question 11

When a mirror with a fixed beam on it is rotated through a certain angle, the reflected beam is rotated through an angle that is

Accepted Answer

A)  four times as large. 
B)  twice as large. 
C)  equal to the angle of rotation. 
D)  none of these 
A)  four times as large. 
B)  twice as large. 
C)  equal to the angle of rotation. 
D)  none of these

Question 12

Rainbows exist because light is

Accepted Answer

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

Question 13

Ninety-five percent of light incident on a mirror is reflected. How much light is reflected when three of these mirrors are arranged so light reflects from one after the other?

Accepted Answer

A)  85% 
B)  81% 
C)  90% 
D)  86% 
E)  95% 
A)  85% 
B)  81% 
C)  90% 
D)  86% 
E)  95%

Question 14

The average speed of light is greatest in

Accepted Answer

A)  red glass. 
B)  blue glass. 
C)  orange glass. 
D)  green glass. 
E)  is the same in all of these 
A)  red glass. 
B)  blue glass. 
C)  orange glass. 
D)  green glass. 
E)  is the same in all of these

Question 15

Different colors of light travel at different speeds in a transparent medium. In a vacuum, different colors of light travel at

Accepted Answer

A)  the same speed. 
B)  different speeds. 
C)  light travels at the same speed everywhere. 
A)  the same speed. 
B)  different speeds. 
C)  light travels at the same speed everywhere.

Question 16

A diver shines light up to the surface of a smooth pond at a 10 degree angle to the normal. Some light passes into the air above, and the part that reflects back into the water makes an angle to the normal of

Accepted Answer

A)  more than 10 degrees. 
B)  less than 10 degrees. 
C)  10 degrees. 
A)  more than 10 degrees. 
B)  less than 10 degrees. 
C)  10 degrees.

Question 17

The refraction of light in a diamond is greater for

Accepted Answer

A)  long-wavelength light. 
B)  short-wavelength light. 
C)  Both refract the same. 
A)  long-wavelength light. 
B)  short-wavelength light. 
C)  Both refract the same.

Question 18

A person standing waist-deep in a swimming pool appears to have short legs because of light

Accepted Answer

A)  interference. 
B)  refraction. 
C)  absorption. 
D)  reflection. 
E)  diffraction. 
A)  interference. 
B)  refraction. 
C)  absorption. 
D)  reflection. 
E)  diffraction.

Question 19

When you view a distant rainbow, you view from each single water drop that 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. 
A)  a single color. 
B)  either low, middle, or high frequency colors in most cases. 
C)  all the colors of the rainbow.

Question 20

A pair of plane mirrors are at right angles to each other. A coin placed near the mirrors has at most

Accepted Answer

A)  4 images. 
B)  2 images. 
C)  3 images. 
D)  more than 4 images. 
A)  4 images. 
B)  2 images. 
C)  3 images. 
D)  more than 4 images.

The critical angle is least in which of the following?

Light refracts when traveling from air into glass because light

To see his full height, a boy that is 1 meter tall needs a mirror that is at least

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

A person who sees more clearly under water without eyeglasses or a face mask is

At night an underwater scuba diver aims his flashlight beam toward the surface at an angle of 45 degrees with the normal. Upon emerging, the beam angle will be

When a light ray passes, at a non-90 degree angle, from water into air, it

When you look at yourself in a pocket mirror, and then hold the mirror farther away, you see

If a fish looks upward at 45 degrees with respect to the water's surface, it will see

A mirage is a result of atmospheric

When a mirror with a fixed beam on it is rotated through a certain angle, the reflected beam is rotated through an angle that is

Rainbows exist because light is

Ninety-five percent of light incident on a mirror is reflected. How much light is reflected when three of these mirrors are arranged so light reflects from one after the other?

The average speed of light is greatest in

Different colors of light travel at different speeds in a transparent medium. In a vacuum, different colors of light travel at

A diver shines light up to the surface of a smooth pond at a 10 degree angle to the normal. Some light passes into the air above, and the part that reflects back into the water makes an angle to the normal of

The refraction of light in a diamond is greater for

A person standing waist-deep in a swimming pool appears to have short legs because of light

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

A pair of plane mirrors are at right angles to each other. A coin placed near the mirrors has at most

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

Exam 14: Properties of Light

The critical angle is least in which of the following?

Light refracts when traveling from air into glass because light

To see his full height, a boy that is 1 meter tall needs a mirror that is at least

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

A person who sees more clearly under water without eyeglasses or a face mask is

At night an underwater scuba diver aims his flashlight beam toward the surface at an angle of 45 degrees with the normal. Upon emerging, the beam angle will be

When a light ray passes, at a non-90 degree angle, from water into air, it

When you look at yourself in a pocket mirror, and then hold the mirror farther away, you see

If a fish looks upward at 45 degrees with respect to the water's surface, it will see

A mirage is a result of atmospheric

When a mirror with a fixed beam on it is rotated through a certain angle, the reflected beam is rotated through an angle that is

Rainbows exist because light is

Ninety-five percent of light incident on a mirror is reflected. How much light is reflected when three of these mirrors are arranged so light reflects from one after the other?

The average speed of light is greatest in

Different colors of light travel at different speeds in a transparent medium. In a vacuum, different colors of light travel at

A diver shines light up to the surface of a smooth pond at a 10 degree angle to the normal. Some light passes into the air above, and the part that reflects back into the water makes an angle to the normal of

The refraction of light in a diamond is greater for

A person standing waist-deep in a swimming pool appears to have short legs because of light

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

A pair of plane mirrors are at right angles to each other. A coin placed near the mirrors has at most

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