Question 1

An electron vibrating to and fro 1000 times per second generates an electromagnetic wave having a

Accepted Answer

A) period of 1000 s. 
B) speed of 1000 m/s. 
C) wavelength of 1000 m. 
D) frequency of 1000 Hz. 
A) period of 1000 s. 
B) speed of 1000 m/s. 
C) wavelength of 1000 m. 
D) frequency of 1000 Hz.

Question 2

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 3

When light from air passes through a prism,light of all frequencies

Accepted Answer

A) slow down. 
B) remain at speed c. 
C) speed up. 
D) none of the above 
A) slow down. 
B) remain at speed c. 
C) speed up. 
D) none of the above

Question 4

The amount of light reflected from the front surface of common window glass is about

Accepted Answer

A) 4%. 
B) 8%. 
C) 40%. 
D) 92%. 
E) 96%. 
A) 4%. 
B) 8%. 
C) 40%. 
D) 92%. 
E) 96%.

Question 5

The color of an opaque object is the same as the light that is

Accepted Answer

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

Question 6

A wave with a high frequency has a relatively

Accepted Answer

A) short wavelength. 
B) long wavelength. 
C) both of these 
D) none of the above 
A) short wavelength. 
B) long wavelength. 
C) both of these 
D) none of the above

Question 7

When you read from a printed page,you're seeing reflected light that is

Accepted Answer

A) specular. 
B) diffuse. 
C) both of these 
D) neither of these 
A) specular. 
B) diffuse. 
C) both of these 
D) neither of these

Question 8

Describe a model for explaining how light is transmitted through glass.

Accepted Answer

According to the model of light presente

Question 9

The direction of vibration for an electron and the plane of polarization of the light it emits

Accepted Answer

A) are the same. 
B) are at right angles to each other. 
C) may or may not be at right angles to each other. 
D) are independent of each other. 
A) are the same. 
B) are at right angles to each other. 
C) may or may not be at right angles to each other. 
D) are independent of each other.

Question 10

Metals are shiny because

Accepted Answer

A) they reflect 100% of incident light. 
B) they are poor absorbers of light. 
C) loose electrons vibrate to the oscillations of any incident light. 
D) none of the above 
A) they reflect 100% of incident light. 
B) they are poor absorbers of light. 
C) loose electrons vibrate to the oscillations of any incident light. 
D) none of the above

Question 11

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

Accepted Answer

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

Question 12

Atmospheric refraction makes the daylight hours

Accepted Answer

A) longer. 
B) shorter. 
C) neither 
A) longer. 
B) shorter. 
C) neither

Question 13

A whitish sky is evidence that the atmosphere contains

Accepted Answer

A) predominantly small particles. 
B) predominantly large particles. 
C) a mixture of particle sizes. 
D) pollutants. 
A) predominantly small particles. 
B) predominantly large particles. 
C) a mixture of particle sizes. 
D) pollutants.

Question 14

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 of these 
D) none of the above 
A) radio. 
B) light. 
C) both of these 
D) none of the above

Question 15

When light reflects from a polished surface,there is a change in its

Accepted Answer

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

Question 16

The color to which human eyes are most sensitive is

Accepted Answer

A) red. 
B) yellow-green. 
C) blue. 
D) all the same 
A) red. 
B) yellow-green. 
C) blue. 
D) all the same

Question 17

The colors dispersed by a prism are due to different light

Accepted Answer

A) speeds inside the prism. 
B) directions inside the prism. 
C) energies inside the prism. 
D) none of the above 
A) speeds inside the prism. 
B) directions inside the prism. 
C) energies inside the prism. 
D) none of the above

Question 18

Which of the following is fundamentally different from the others?

Accepted Answer

A) sound waves 
B) X rays 
C) gamma rays 
D) light waves 
E) radio waves 
A) sound waves 
B) X rays 
C) gamma rays 
D) light waves 
E) radio waves

Question 19

A rough surface for infrared waves may be polished for

Accepted Answer

A) radio waves. 
B) light waves. 
C) both of these 
D) neither 
A) radio waves. 
B) light waves. 
C) both of these 
D) neither

Question 20

To see his full height,Blinky Bill who is 1.0 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 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 distance from the mirror.

Exam 11: Light

An electron vibrating to and fro 1000 times per second generates an electromagnetic wave having a

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

When light from air passes through a prism,light of all frequencies

The amount of light reflected from the front surface of common window glass is about

The color of an opaque object is the same as the light that is

A wave with a high frequency has a relatively

When you read from a printed page,you're seeing reflected light that is

Describe a model for explaining how light is transmitted through glass.

The direction of vibration for an electron and the plane of polarization of the light it emits

Metals are shiny because

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

Atmospheric refraction makes the daylight hours

A whitish sky is evidence that the atmosphere contains

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

When light reflects from a polished surface,there is a change in its

The color to which human eyes are most sensitive is

The colors dispersed by a prism are due to different light

Which of the following is fundamentally different from the others?

A rough surface for infrared waves may be polished for

To see his full height,Blinky Bill who is 1.0 meter tall needs a mirror that is at least

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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