Question 1

A scientist who orders a double-slit apparatus for his lab might be planning to

Accepted Answer

A)  try to determine whether an object is a particle or a wave. 
B)  measure the speed of alpha decay in a radioactive sample. 
C)  clock the speeds of subatomic particles shot through the slits. 
D)  find out whether photon emissions can be quantized. 
E)  try to "trick" quantum particles by varying experiment types. 
A)  try to determine whether an object is a particle or a wave. 
B)  measure the speed of alpha decay in a radioactive sample. 
C)  clock the speeds of subatomic particles shot through the slits. 
D)  find out whether photon emissions can be quantized. 
E)  try to "trick" quantum particles by varying experiment types. A

Question 2

Measurements can be made on a macroscopic object without altering the object because

Accepted Answer

A)  the energy of the object is much greater than the energy of the probe. 
B)  the energy of the probe is much greater than the energy of the object. 
C)  the probe and the object have equal amounts of energy. 
D)  the object moves slowly or not at all. 
E)  the object absorbs all the energy of the measuring device. 
A)  the energy of the object is much greater than the energy of the probe. 
B)  the energy of the probe is much greater than the energy of the object. 
C)  the probe and the object have equal amounts of energy. 
D)  the object moves slowly or not at all. 
E)  the object absorbs all the energy of the measuring device. A

Question 3

A quantum leap occurs

Accepted Answer

A)  only when a photon moves between energy levels and absorbs an electron. 
B)  only when an electron absorbs a photon and reaches a more excited state. 
C)  whenever an electron moves between energy levels and emits a photon. 
D)  only when an electron moves two or more energy levels at once. 
E)  whenever a photon moves more than one energy level at once and emits an electron. 
A)  only when a photon moves between energy levels and absorbs an electron. 
B)  only when an electron absorbs a photon and reaches a more excited state. 
C)  whenever an electron moves between energy levels and emits a photon. 
D)  only when an electron moves two or more energy levels at once. 
E)  whenever a photon moves more than one energy level at once and emits an electron. C

Question 4

If quantum mechanics is a way of predicting how subatomic particles change in time, how can knowledge about the state of an electron be used in prediction?

Accepted Answer

If you know the state of an el

Question 5

Newtonian mechanics works for objects with large masses because
 1) we have no method of measuring velocities to the accuracy required in quantum mechanics.
2) Planck's constant masks the uncertainties.
3) the uncertainty of the measurements is indistinguishable from zero.

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  1 and 3 
E)  1, 2 and 3 
A)  1 
B)  2 
C)  3 
D)  1 and 3 
E)  1, 2 and 3

Question 6

If a neurologist is looking for a brain tumor in a patient, what is the sample, the source of energy, and the detector used to make the measurement?

Accepted Answer

The sample is the patie

Question 7

What is a Bohr orbit of an electron?

Accepted Answer

The Bohr orbit of an electron

Question 8

Describe the photoelectric effect?

Accepted Answer

When light strikes one side of

Question 9

A pair of entangled photons and a single signal photon are required for an interaction called

Accepted Answer

A)  quantum leap 
B)  quantum eavesdropper 
C)  quantum teleportation 
D)  quantum interception 
E)  quantum uncertainty 
A)  quantum leap 
B)  quantum eavesdropper 
C)  quantum teleportation 
D)  quantum interception 
E)  quantum uncertainty

Question 10

One of the major differences between a standard X-ray and a CAT-scan is

Accepted Answer

A)  a CAT-scan does not subject the patient to X-rays. 
B)  photons are emitted during a CAT scan, but not during an X-ray. 
C)  only a CAT-scan can produce a three-dimensional image of the interior of the body. 
D)  only an X-ray can produce sharp images of organs with densities. 
E)  only a CAT-scan uses gamma rays. 
A)  a CAT-scan does not subject the patient to X-rays. 
B)  photons are emitted during a CAT scan, but not during an X-ray. 
C)  only a CAT-scan can produce a three-dimensional image of the interior of the body. 
D)  only an X-ray can produce sharp images of organs with densities. 
E)  only a CAT-scan uses gamma rays.

Question 11

What is a practical applications of the photoelectric effect in which photoelectricity converts X-ray photons into electrical currents whose strength can be converted into a picture of the internal structure of an object?

Accepted Answer

A)  camera light meters 
B)  fiber optics in some telephone audio systems 
C)  CAT scans 
D)  a battery operated flashlight 
E)  the standard X-ray machine in a small medical office 
A)  camera light meters 
B)  fiber optics in some telephone audio systems 
C)  CAT scans 
D)  a battery operated flashlight 
E)  the standard X-ray machine in a small medical office

Question 12

Why is quantum mechanics an appropriate name for this field of study?

Accepted Answer

"Quantum" is Latin for bundle

Question 13

This term refers to the theory that describes events at the scale of the atom.

Accepted Answer

A)  quantum 
B)  quantum leap 
C)  quantum mechanics 
D)  quantum bundle 
E)  quantum world 
A)  quantum 
B)  quantum leap 
C)  quantum mechanics 
D)  quantum bundle 
E)  quantum world

Question 14

Something is quantized when it

Accepted Answer

A)  is multiplied by Planck's constant. 
B)  is the subject of Einstein's research. 
C)  has attributes of a bundle. 
D)  cannot be seen without a microscope. 
E)  none of these 
A)  is multiplied by Planck's constant. 
B)  is the subject of Einstein's research. 
C)  has attributes of a bundle. 
D)  cannot be seen without a microscope. 
E)  none of these

Question 15

What is one practical application of the quantum teleportation of photons?

Accepted Answer

Quantum teleported photons hav

Question 16

At a quantum-scale, events are described in

Accepted Answer

A)  digital photographs. 
B)  descriptive statistics. 
C)  probabilities. 
D)  exacting precision. 
E)  all of these 
A)  digital photographs. 
B)  descriptive statistics. 
C)  probabilities. 
D)  exacting precision. 
E)  all of these

Question 17

How are predictions approached in the quantum world versus the macroscopic world?

Accepted Answer

In the macroscopic world predictions are

Question 18

Why do we describe quantum-scale events in terms of probabilities?

Accepted Answer

Probabilities are used to expr

Question 19

The Newtonian view of the universe would be associated with which phrase?

Accepted Answer

A)  predicting future states 
B)  the Divine Calculator 
C)  clockwork precision 
D)  macroscopic 
E)  all of these 
A)  predicting future states 
B)  the Divine Calculator 
C)  clockwork precision 
D)  macroscopic 
E)  all of these

Question 20

In the equation for uncertainty, the factor h is a number known as

Accepted Answer

A)  the Heisenberg 
B)  uncertainty in position 
C)  uncertainty in velocity 
D)  Planck's constant 
E)  the duality 
A)  the Heisenberg 
B)  uncertainty in position 
C)  uncertainty in velocity 
D)  Planck's constant 
E)  the duality

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

A scientist who orders a double-slit apparatus for his lab might be planning to

Measurements can be made on a macroscopic object without altering the object because

A quantum leap occurs

If quantum mechanics is a way of predicting how subatomic particles change in time, how can knowledge about the state of an electron be used in prediction?

Newtonian mechanics works for objects with large masses because 1) we have no method of measuring velocities to the accuracy required in quantum mechanics. 2) Planck's constant masks the uncertainties. 3) the uncertainty of the measurements is indistinguishable from zero.

If a neurologist is looking for a brain tumor in a patient, what is the sample, the source of energy, and the detector used to make the measurement?

What is a Bohr orbit of an electron?

Describe the photoelectric effect?

A pair of entangled photons and a single signal photon are required for an interaction called

One of the major differences between a standard X-ray and a CAT-scan is

What is a practical applications of the photoelectric effect in which photoelectricity converts X-ray photons into electrical currents whose strength can be converted into a picture of the internal structure of an object?

Why is quantum mechanics an appropriate name for this field of study?

This term refers to the theory that describes events at the scale of the atom.

Something is quantized when it

What is one practical application of the quantum teleportation of photons?

At a quantum-scale, events are described in

How are predictions approached in the quantum world versus the macroscopic world?

Why do we describe quantum-scale events in terms of probabilities?

The Newtonian view of the universe would be associated with which phrase?

In the equation for uncertainty, the factor h is a number known as

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