Question 1

How has quantum mechanics revolutionized the physics community?

Accepted Answer

Quantum mechanics offers diffe

Question 2

Why did quantum scientists, including Albert Einstein, one of the founders of quantum mechanics, find the research so disconcerting?

Accepted Answer

Most scientists in the early 1900s came

Question 3

How do descriptions of the state of quantum objects differ from descriptions of every day objects?

Accepted Answer

A)  Descriptions of quantum objects are given in terms of probabilities. 
B)  Descriptions of quantum objects are stated with absolute certainty. 
C)  Descriptions of quantum objects can be given as a precise position and velocity. 
D)  Descriptions of quantum objects cannot be made at all. 
E)  Descriptions of quantum objects describe motion, while descriptions of everyday things never do. 
A)  Descriptions of quantum objects are given in terms of probabilities. 
B)  Descriptions of quantum objects are stated with absolute certainty. 
C)  Descriptions of quantum objects can be given as a precise position and velocity. 
D)  Descriptions of quantum objects cannot be made at all. 
E)  Descriptions of quantum objects describe motion, while descriptions of everyday things never do.

Question 4

If electrons are like particles, then

Accepted Answer

A)  they can move according to Bohr's laws of motion. 
B)  they must have a precise frequency to stay in a stable orbit. 
C)  they must have a precise velocity to stay in a stable orbit. 
D)  they create interference patterns in the dual slit experiment. 
E)  all of these 
A)  they can move according to Bohr's laws of motion. 
B)  they must have a precise frequency to stay in a stable orbit. 
C)  they must have a precise velocity to stay in a stable orbit. 
D)  they create interference patterns in the dual slit experiment. 
E)  all of these

Question 5

Why is the wave-particle duality typically confusing to the human mind?

Accepted Answer

Because we are accustomed to thinking of

Question 6

A train with a mass of 100,000 kg is crossing a bridge that is 10 m long. What is the uncertainty in the velocity?

Accepted Answer

A)  -39 J-s/kg 
B)  > 6.63 X 10-40 m/s 
C)  > 6.63 X 10-39 m/s 
D)  -40 m/s 
E)  > 6.63 X 10-38 m/s 
A)  -39 J-s/kg 
B)  > 6.63 X 10-40 m/s 
C)  > 6.63 X 10-39 m/s 
D)  -40 m/s 
E)  > 6.63 X 10-38 m/s

Question 7

Which of the following describes experiments scientists have used to determine whether quantum objects are waves or particles?

Accepted Answer

A)  experiments testing particle properties 
B)  experiments testing wave properties 
C)  double-slit tests 
D)  tests designed to "trick" the particles into revealing their identity 
E)  any or all of the experiments listed here would be a correct answer 
A)  experiments testing particle properties 
B)  experiments testing wave properties 
C)  double-slit tests 
D)  tests designed to "trick" the particles into revealing their identity 
E)  any or all of the experiments listed here would be a correct answer

Question 8

Why do we not have to worry about the uncertainty principle in our everyday life?

Accepted Answer

A)  The uncertainty principle has been refuted by new evidence. 
B)  Objects we normally encounter have mass in amounts that make the effects of the uncertainty principle practically non-existent. 
C)  Planck's constant has been revised to apply to the macroscopic world as well as the atomic world. 
D)  There is too much uncertainty in the uncertainty principle to give it much thought. 
E)  The future is determined by a Divine Calculator. 
A)  The uncertainty principle has been refuted by new evidence. 
B)  Objects we normally encounter have mass in amounts that make the effects of the uncertainty principle practically non-existent. 
C)  Planck's constant has been revised to apply to the macroscopic world as well as the atomic world. 
D)  There is too much uncertainty in the uncertainty principle to give it much thought. 
E)  The future is determined by a Divine Calculator.

Question 9

If you were flipping two identical coins in two separate locations, what would be the result of those coin flips if the coins were somehow obeying the concept of quantum entanglement?

Accepted Answer

The coins would simu

Question 10

The principles of quantum mechanics state that

Accepted Answer

A)  Newtonian laws are incontrovertible. 
B)  the quantum world spins clockwise. 
C)  there must be an anti-quantum universe. 
D)  in the quantum world, prediction of the future is a probability. 
E)  the long-term evolution of physical systems can be predicted. 
A)  Newtonian laws are incontrovertible. 
B)  the quantum world spins clockwise. 
C)  there must be an anti-quantum universe. 
D)  in the quantum world, prediction of the future is a probability. 
E)  the long-term evolution of physical systems can be predicted.

How has quantum mechanics revolutionized the physics community?

Why did quantum scientists, including Albert Einstein, one of the founders of quantum mechanics, find the research so disconcerting?

How do descriptions of the state of quantum objects differ from descriptions of every day objects?

If electrons are like particles, then

Why is the wave-particle duality typically confusing to the human mind?

A train with a mass of 100,000 kg is crossing a bridge that is 10 m long. What is the uncertainty in the velocity?

Which of the following describes experiments scientists have used to determine whether quantum objects are waves or particles?

Why do we not have to worry about the uncertainty principle in our everyday life?

If you were flipping two identical coins in two separate locations, what would be the result of those coin flips if the coins were somehow obeying the concept of quantum entanglement?

The principles of quantum mechanics state that

Science: a Way of Knowing: How Do You Know What You Know

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Energy: Why Must Animals Eat to Stay Alive

Heat and the Second Law of Thermodynamics: Why Is It Easier to Make an Omelet From an Egg Than to Make an Egg From an Omelet

Electricity and Magnetism: What Is Lightning

Waves and Electromagnetic Radiation: What Is Color

Albert Einstein and the Theory of Relativity: Can a Human Ever Travel Faster Than the Speed of Light, at Warp Speed

The Atom: Why Are There so Many Different Materials in the World

Atoms in Combination: the Chemical Bond: How Does Blood Clot

Materials and Their Properties: How Have Computers Gotten so Much Faster

The Nucleus of the Atom: How Do Scientists Determine the Age of the Oldest Human Fossils

The Ultimate Structure of Matter: How Can Antimatter Be Used to Probe the Human Brain

The Stars: How Much Longer Can the Sun Sustain Life on Earth

Cosmology: Will the Universe End

Earth and Other Planets: Is Earth the Only Planet With Life

Plate Tectonics: Can We Predict Destructive Earthquakes

Earths Many Cycles: Will We Ever Run Out of Fresh Water

Ecology, Ecosystems, and the Environment: Are Human Activities Affecting the Global Environment

Strategies of Life: What Is Life

The Living Cell: What Is the Smallest Living Thing

Molecules of Life: What Constitutes a Healthy Diet

Classical and Modern Genetics: Why Do Offspring Resemble Their Parents

The New Science of Life: Can We Cure Cancer

Evolution: How Did Life Emerge on the Ancient Earth

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Exam 9: Quantum Mechanics: How Can the Electron Behave Like Both a Particle and a Wave

How has quantum mechanics revolutionized the physics community?

Why did quantum scientists, including Albert Einstein, one of the founders of quantum mechanics, find the research so disconcerting?

How do descriptions of the state of quantum objects differ from descriptions of every day objects?

If electrons are like particles, then

Why is the wave-particle duality typically confusing to the human mind?

A train with a mass of 100,000 kg is crossing a bridge that is 10 m long. What is the uncertainty in the velocity?

Which of the following describes experiments scientists have used to determine whether quantum objects are waves or particles?

Why do we not have to worry about the uncertainty principle in our everyday life?

If you were flipping two identical coins in two separate locations, what would be the result of those coin flips if the coins were somehow obeying the concept of quantum entanglement?

The principles of quantum mechanics state that

Science: a Way of Knowing: How Do You Know What You Know

The Ordered Universe: Why Do Planets Appear to Wander Slowly Across the Sky

Energy: Why Must Animals Eat to Stay Alive

Heat and the Second Law of Thermodynamics: Why Is It Easier to Make an Omelet From an Egg Than to Make an Egg From an Omelet

Electricity and Magnetism: What Is Lightning

Waves and Electromagnetic Radiation: What Is Color

Albert Einstein and the Theory of Relativity: Can a Human Ever Travel Faster Than the Speed of Light, at Warp Speed

The Atom: Why Are There so Many Different Materials in the World

Atoms in Combination: the Chemical Bond: How Does Blood Clot

Materials and Their Properties: How Have Computers Gotten so Much Faster

The Nucleus of the Atom: How Do Scientists Determine the Age of the Oldest Human Fossils

The Ultimate Structure of Matter: How Can Antimatter Be Used to Probe the Human Brain

The Stars: How Much Longer Can the Sun Sustain Life on Earth

Cosmology: Will the Universe End

Earth and Other Planets: Is Earth the Only Planet With Life

Plate Tectonics: Can We Predict Destructive Earthquakes

Earths Many Cycles: Will We Ever Run Out of Fresh Water

Ecology, Ecosystems, and the Environment: Are Human Activities Affecting the Global Environment

Strategies of Life: What Is Life

The Living Cell: What Is the Smallest Living Thing

Molecules of Life: What Constitutes a Healthy Diet

Classical and Modern Genetics: Why Do Offspring Resemble Their Parents

The New Science of Life: Can We Cure Cancer

Evolution: How Did Life Emerge on the Ancient Earth

Filters