Question 1

Materials generally become warmer when light is

Accepted Answer

A) absorbed by them. 
B) reflected by them. 
C) transmitted by them. 
D) all of the above 
E) none of the above 
A) absorbed by them. 
B) reflected by them. 
C) transmitted by them. 
D) all of the above 
E) none of the above

Question 2

If you walk toward a mirror at a certain speed, the relative speed between you and your image is

Accepted Answer

A) half your speed. 
B) your speed. 
C) twice your speed. 
D) none of the above 
A) half your speed. 
B) your speed. 
C) twice your speed. 
D) none of the above

Question 3

Glass is transparent to light of wave frequencies that

Accepted Answer

A) match its natural frequencies. 
B) are below its natural frequencies. 
C) both 
D) neither 
A) match its natural frequencies. 
B) are below its natural frequencies. 
C) both 
D) neither

Question 4

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

Accepted Answer

A) 0.33 m tall. 
B) 0.50 m tall. 
C) 0.75 m tall. 
D) 1 m tall. 
E) depends on the distance from the mirror. 
A) 0.33 m tall. 
B) 0.50 m tall. 
C) 0.75 m tall. 
D) 1 m tall. 
E) depends on the distance from the mirror.

Question 5

A primary rainbow is brighter than a secondary rainbow because

Accepted Answer

A) sunlight reaching it is more intense. 
B) there is one less reflection inside the water drops. 
C) larger drops produce primary rainbows. 
D) the secondary bow is a dim reflection of the primary rainbow. 
E) none of the above 
A) sunlight reaching it is more intense. 
B) there is one less reflection inside the water drops. 
C) larger drops produce primary rainbows. 
D) the secondary bow is a dim reflection of the primary rainbow. 
E) none of the above

Question 6

Infrared waves are often called heat waves because they

Accepted Answer

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

Question 7

If a light signal and a radio signal were emitted simultaneously from the Moon, the first signal to reach Earth would be

Accepted Answer

A) radio. 
B) light. 
C) both 
D) neither 
A) radio. 
B) light. 
C) both 
D) neither

Question 8

When a pulse of white light is incident on a piece of glass, the first color to emerge is

Accepted Answer

A) red. 
B) orange. 
C) green. 
D) violet. 
E) all the same 
A) red. 
B) orange. 
C) green. 
D) violet. 
E) all the same

Question 9

Light is incident upon a pane of window glass at a particular angle. The angle of emerging light is

Accepted Answer

A) less. 
B) the same. 
C) more. 
A) less. 
B) the same. 
C) more.

Question 10

Distant snow-covered hills appear yellowish due to the color of the

Accepted Answer

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

Question 11

The sky is the deepest blue

Accepted Answer

A) just before a rainstorm. 
B) during a rainstorm. 
C) just after a rainstorm. 
D) when the air is humid. 
E) just before sunset. 
A) just before a rainstorm. 
B) during a rainstorm. 
C) just after a rainstorm. 
D) when the air is humid. 
E) just before sunset.

Question 12

What color light is transmitted by a piece of blue glass?

Accepted Answer

A) red 
B) white 
C) blue 
D) yellow 
E) orange 
A) red 
B) white 
C) blue 
D) yellow 
E) orange

Question 13

If an electric charge is rapidly shaken up and down,

Accepted Answer

A) sound is emitted. 
B) light is emitted. 
C) electron excitation occurs. 
D) an electromagnetic wave is produced. 
A) sound is emitted. 
B) light is emitted. 
C) electron excitation occurs. 
D) an electromagnetic wave is produced.

Question 14

The natural frequency of atoms in glass is in the

Accepted Answer

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

Question 15

Consider the appearance of an American flag submerged deep in water. The white stars and red stripes appear

Accepted Answer

A) cyan and red. 
B) cyan and blue. 
C) red and black. 
D) cyan and black. 
A) cyan and red. 
B) cyan and blue. 
C) red and black. 
D) cyan and black.

Question 16

A mirage is a result of atmospheric

Accepted Answer

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

Question 17

A mixture of blue and yellow tiny dots on a printed page appears

Accepted Answer

A) orange. 
B) yellow. 
C) magenta. 
D) blue. 
E) green. 
A) orange. 
B) yellow. 
C) magenta. 
D) blue. 
E) green.

Question 18

If sunlight were green instead of white, the most comfortable color to wear on a cold day would be

Accepted Answer

A) magenta. 
B) yellow. 
C) green. 
D) blue. 
E) violet. 
A) magenta. 
B) yellow. 
C) green. 
D) blue. 
E) violet.

Question 19

Because of absorption, a Polaroid will actually transmit about 40% of incident nonpolarized light. Two Polaroids with their axes aligned will transmit

Accepted Answer

A) 0%. 
B) 40%. 
C) 100%. 
D) between 0% and 40%. 
E) between 40% and 100%. 
A) 0%. 
B) 40%. 
C) 100%. 
D) between 0% and 40%. 
E) between 40% and 100%.

Question 20

Diffuse reflection occurs when the size of surface irregularities is

Accepted Answer

A) small compared to the wavelength of the light used. 
B) large compared to the wavelength of the light used. 
C) either 
A) small compared to the wavelength of the light used. 
B) large compared to the wavelength of the light used. 
C) either

Exam 11: Light

Materials generally become warmer when light is

If you walk toward a mirror at a certain speed, the relative speed between you and your image is

Glass is transparent to light of wave frequencies that

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

A primary rainbow is brighter than a secondary rainbow because

Infrared waves are often called heat waves because they

If a light signal and a radio signal were emitted simultaneously from the Moon, the first signal to reach Earth would be

When a pulse of white light is incident on a piece of glass, the first color to emerge is

Light is incident upon a pane of window glass at a particular angle. The angle of emerging light is

Distant snow-covered hills appear yellowish due to the color of the

The sky is the deepest blue

What color light is transmitted by a piece of blue glass?

If an electric charge is rapidly shaken up and down,

The natural frequency of atoms in glass is in the

Consider the appearance of an American flag submerged deep in water. The white stars and red stripes appear

A mirage is a result of atmospheric

A mixture of blue and yellow tiny dots on a printed page appears

If sunlight were green instead of white, the most comfortable color to wear on a cold day would be

Because of absorption, a Polaroid will actually transmit about 40% of incident nonpolarized light. Two Polaroids with their axes aligned will transmit

Diffuse reflection occurs when the size of surface irregularities is

Patterns of Motion and Equilibrium

Newtons Laws of Motion

Momentum and Energy

Gravity, Projectiles, and Satellites

Fluid Mechanics

Thermal Energy and Thermodynamics

Heat Transfer and Change of Phase

Static and Current Electricity

Magnetism and Electromagnetic Induction

Waves and Sound

Atoms and the Periodic Table

The Atomic Nucleus and Radioactivity

Elements of Chemistry

How Atoms Bond and Molecules Attract

Mixtures

How Chemicals React

Two Classes of Chemical Reactions

Organic Compounds

Rocks and Minerals

Plate Tectonics and Earths Interior

Shaping Earths Surface

Geologic Timereading the Rock Record

The Oceans, Atmosphere, and Climatic Effects

Driving Forces of Weather

The Solar System

Stars and Galaxies

The Structure of Space and Time

Prologue: the Nature of Science

Filters