Question 1

The greenish blue of water is evidence for the

Accepted Answer

A) reflection of greenish-blue light. 
B) reflection of red light. 
C) absorption of greenish-blue light. 
D) absorption of red light. 
E) interaction between green and blue frequencies of light. 
A) reflection of greenish-blue light. 
B) reflection of red light. 
C) absorption of greenish-blue light. 
D) absorption of red light. 
E) interaction between green and blue frequencies of light.

Question 2

Light travels faster in

Accepted Answer

A) thin air. 
B) dense air. 
C) same in each. 
A) thin air. 
B) dense air. 
C) same in each.

Question 3

Polarization is a property of

Accepted Answer

A) transverse waves. 
B) longitudinal waves. 
C) both of these 
D) none of the above 
A) transverse waves. 
B) longitudinal waves. 
C) both of these 
D) none of the above

Question 4

Both sound and light can travel in

Accepted Answer

A) a vacuum. 
B) water. 
C) both of these 
D) none of the above 
A) a vacuum. 
B) water. 
C) both of these 
D) none of the above

Question 5

The black fur of a black-and-white bunny is due to light

Accepted Answer

A) absorption. 
B) reflection. 
C) refraction. 
D) scattering. 
A) absorption. 
B) reflection. 
C) refraction. 
D) scattering.

Question 6

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

Accepted Answer

A) different speeds. 
B) the same speed. 
C) decreased speed. 
A) different speeds. 
B) the same speed. 
C) decreased speed.

Question 7

The reason that a surface appears darker when wet has to do with

Accepted Answer

A) the darkness of liquids. 
B) conversion of light to lower frequencies. 
C) absorption of multiply-reflecting light inside the wet region. 
A) the darkness of liquids. 
B) conversion of light to lower frequencies. 
C) absorption of multiply-reflecting light inside the wet region.

Question 8

The color of an object depends on the colors of

Accepted Answer

A) the light that illuminates them. 
B) molecules that comprise them. 
C) the foreground. 
A) the light that illuminates them. 
B) molecules that comprise them. 
C) the foreground.

Question 9

Glass is transparent to light of frequencies that

Accepted Answer

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

Question 10

The shortest plane mirror in which you can see your entire image is

Accepted Answer

A) half your height. 
B) 3/4 your height. 
C) 1/3 your height. 
D) equal to your height. 
E) dependent on your distance from the mirror. 
A) half your height. 
B) 3/4 your height. 
C) 1/3 your height. 
D) equal to your height. 
E) dependent on your distance from the mirror.

Question 11

Because of refraction a fish in the water appears

Accepted Answer

A) nearer the surface. 
B) deeper in the water. 
C) at its actual depth. 
A) nearer the surface. 
B) deeper in the water. 
C) at its actual depth.

Question 12

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 13

If you wish to spear a fish with a regular spear,you should compensate for refraction and throw your spear

Accepted Answer

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

Question 14

When white light is dispersed in a prism,the fastest light is

Accepted Answer

A) red. 
B) orange. 
C) green. 
D) blue. 
E) same in all 
A) red. 
B) orange. 
C) green. 
D) blue. 
E) same in all

Question 15

Electrons in glass have a natural frequency 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 16

When ultraviolet light is incident upon glass,most atoms in the glass

Accepted Answer

A) resonate. 
B) pass the light energy along practically undiminished. 
C) freely absorb and reemit most of the ultraviolet light. 
A) resonate. 
B) pass the light energy along practically undiminished. 
C) freely absorb and reemit most of the ultraviolet light.

Question 17

Ninety-five percent of light incident on a mirror is reflected.How much light is reflected from three mirrors in succession?

Accepted Answer

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

Question 18

Compared to the wavelength of incident light,diffuse reflection occurs when the size of surface irregularities is

Accepted Answer

A) smaller. 
B) larger. 
C) about the same. 
A) smaller. 
B) larger. 
C) about the same.

Question 19

Sometimes on a hot day a distant dry street appears wet,which is due to

Accepted Answer

A) water from a previous rainfall. 
B) reflection of the sky from the street. 
C) refracted sky light. 
A) water from a previous rainfall. 
B) reflection of the sky from the street. 
C) refracted sky light.

Question 20

If you wish to spear a red fish with a red laser beam,you should compensate for refraction and aim your laser

Accepted Answer

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

Exam 11: Light

The greenish blue of water is evidence for the

Light travels faster in

Polarization is a property of

Both sound and light can travel in

The black fur of a black-and-white bunny is due to light

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

The reason that a surface appears darker when wet has to do with

The color of an object depends on the colors of

Glass is transparent to light of frequencies that

The shortest plane mirror in which you can see your entire image is

Because of refraction a fish in the water appears

If an electric charge is rapidly shaken up and down,

If you wish to spear a fish with a regular spear,you should compensate for refraction and throw your spear

When white light is dispersed in a prism,the fastest light is

Electrons in glass have a natural frequency in the

When ultraviolet light is incident upon glass,most atoms in the glass

Ninety-five percent of light incident on a mirror is reflected.How much light is reflected from three mirrors in succession?

Compared to the wavelength of incident light,diffuse reflection occurs when the size of surface irregularities is

Sometimes on a hot day a distant dry street appears wet,which is due to

If you wish to spear a red fish with a red laser beam,you should compensate for refraction and aim your laser

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 Time - Reading 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

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