Bell152874216207

### Bell:Bell1:V0 edit

Bell152874216207

1) You solitaire deck uses ♥ ♠ ♣ and your answer cards are 4 and 5. You select 4♠, 5♣, and 5♥. If the questions were Q♠ and Q♣. Which of the following loses?

- a) none of these are true
- b) K♠ and K♣
- c) K♥ and K♠
- d) K♥ and K♣
- e) two of these are true

2) You solitaire deck uses ♥ ♠ ♣ and your answer cards are 4 and 5. You select 4♠, 5♣, and 5♥. If the questions were Q♠ and Q♣. Which of the following wins?

- a) two of these are true
- b) none of these are true
- c) K♥ and K♣
- d) K♥ and K♠
- e) K♠ and K♣

3) If you play the solitaire game 3 times, you will on average lose ___ times.

- a) 4
- b) 1
- c) 2
- d) 3
- e) 5

4) Your solitaire deck uses ♥ ♠ ♣ and your answer cards are 4 and 5. You select 4♠, 4♣, and 5♥. If the questions were Q♠ and Q♣, you would__

- a) be disqualified for cheating
- b) lose 3 points
- c) win 3 points
- d) lose 1 point
- e) win 1 point

5) For a binomial distribution with n trials, the variance is σ^{2}=np(1-p). If 90 trials are observed, then 68% of the time the observed number of positive outcomes will fall within ±___ of the expected value if p=.11 is the probability of a positive outcome. Make the approximation that this binomial distribution is approximately a Gaussian (normal) distribution).

- a) 3
- b) 1
- c) 6
- d) 18
- e) 9

6) The binomial distribution results from observing n outcomes, each having a probability p of "success"

- a) True
- b) False

7) What is the probability of success, p, for a binary distribution using a six-sided die, with success defined as "two"?

- a) 2/6
- b) 3/6
- c) 1/6
- d) 5/6
- e) 4/6

8) The normal distribution (often called a "bell curve") is never skewed

- a) True
- b) False

9) To create an unpolarized pendulum oscillation

- a) create an elliptically polarized wave with an 0.2<ε<0.8
- b) create an elliptically polarized wave with an ε>0.2
- c) create an elliptically polarized wave with an ε<0.8
- d) start with a linear, circular, or elliptical wave and slowly evolve to different polarizations

10) A linear polarizer selects a component of the electric field. Also, the energy density of light is proportional to the square of the electric field. A 12 mW laser strikes a polarizing filter oriented 30° to the incoming axis of polarization. How much power passes the filter?

- a) 9mW
- b) 6mW
- c) 8mW
- d) 4mW
- e) 3mW

### KEY:Bell:Bell1:V0 edit

Bell152874216207

1) You solitaire deck uses ♥ ♠ ♣ and your answer cards are 4 and 5. You select 4♠, 5♣, and 5♥. If the questions were Q♠ and Q♣. Which of the following loses?

- -a) none of these are true
- -b) K♠ and K♣
- -c) K♥ and K♠
- +d) K♥ and K♣
- -e) two of these are true

2) You solitaire deck uses ♥ ♠ ♣ and your answer cards are 4 and 5. You select 4♠, 5♣, and 5♥. If the questions were Q♠ and Q♣. Which of the following wins?

- +a) two of these are true
- -b) none of these are true
- -c) K♥ and K♣
- -d) K♥ and K♠
- -e) K♠ and K♣

3) If you play the solitaire game 3 times, you will on average lose ___ times.

- -a) 4
- +b) 1
- -c) 2
- -d) 3
- -e) 5

4) Your solitaire deck uses ♥ ♠ ♣ and your answer cards are 4 and 5. You select 4♠, 4♣, and 5♥. If the questions were Q♠ and Q♣, you would__

- -a) be disqualified for cheating
- +b) lose 3 points
- -c) win 3 points
- -d) lose 1 point
- -e) win 1 point

5) For a binomial distribution with n trials, the variance is σ^{2}=np(1-p). If 90 trials are observed, then 68% of the time the observed number of positive outcomes will fall within ±___ of the expected value if p=.11 is the probability of a positive outcome. Make the approximation that this binomial distribution is approximately a Gaussian (normal) distribution).

- +a) 3
- -b) 1
- -c) 6
- -d) 18
- -e) 9

6) The binomial distribution results from observing n outcomes, each having a probability p of "success"

- +a) True
- -b) False

7) What is the probability of success, p, for a binary distribution using a six-sided die, with success defined as "two"?

- -a) 2/6
- +b) 3/6
- -c) 1/6
- -d) 5/6
- -e) 4/6

8) The normal distribution (often called a "bell curve") is never skewed

- +a) True
- -b) False

9) To create an unpolarized pendulum oscillation

- -a) create an elliptically polarized wave with an 0.2<ε<0.8
- -b) create an elliptically polarized wave with an ε>0.2
- -c) create an elliptically polarized wave with an ε<0.8
- +d) start with a linear, circular, or elliptical wave and slowly evolve to different polarizations

10) A linear polarizer selects a component of the electric field. Also, the energy density of light is proportional to the square of the electric field. A 12 mW laser strikes a polarizing filter oriented 30° to the incoming axis of polarization. How much power passes the filter?

- +a) 9mW
- -b) 6mW
- -c) 8mW
- -d) 4mW
- -e) 3mW

### Bell:Bell1:V1 edit

Bell152874216207

1) For a binomial distribution with n trials, the variance is σ^{2}=np(1-p). If 90 trials are observed, then 68% of the time the observed number of positive outcomes will fall within ±___ of the expected value if p=.11 is the probability of a positive outcome. Make the approximation that this binomial distribution is approximately a Gaussian (normal) distribution).

- a) 3
- b) 18
- c) 6
- d) 1
- e) 9

2) The normal distribution (often called a "bell curve") is never skewed

- a) True
- b) False

3) You solitaire deck uses ♥ ♠ ♣ and your answer cards are 4 and 5. You select 4♠, 5♣, and 5♥. If the questions were Q♠ and Q♣. Which of the following wins?

- a) none of these are true
- b) K♥ and K♣
- c) two of these are true
- d) K♥ and K♠
- e) K♠ and K♣

4) To create an unpolarized pendulum oscillation

- a) create an elliptically polarized wave with an 0.2<ε<0.8
- b) create an elliptically polarized wave with an ε<0.8
- c) create an elliptically polarized wave with an ε>0.2
- d) start with a linear, circular, or elliptical wave and slowly evolve to different polarizations

5) Your solitaire deck uses ♥ ♠ ♣ and your answer cards are 4 and 5. You select 4♠, 4♣, and 5♥. If the questions were Q♠ and Q♣, you would__

- a) lose 3 points
- b) win 3 points
- c) lose 1 point
- d) be disqualified for cheating
- e) win 1 point

6) What is the probability of success, p, for a binary distribution using a six-sided die, with success defined as "two"?

- a) 3/6
- b) 1/6
- c) 4/6
- d) 5/6
- e) 2/6

7) The binomial distribution results from observing n outcomes, each having a probability p of "success"

- a) True
- b) False

8) If you play the solitaire game 3 times, you will on average lose ___ times.

- a) 4
- b) 1
- c) 3
- d) 2
- e) 5

9) You solitaire deck uses ♥ ♠ ♣ and your answer cards are 4 and 5. You select 4♠, 5♣, and 5♥. If the questions were Q♠ and Q♣. Which of the following loses?

- a) K♥ and K♣
- b) K♠ and K♣
- c) none of these are true
- d) K♥ and K♠
- e) two of these are true

10) A linear polarizer selects a component of the electric field. Also, the energy density of light is proportional to the square of the electric field. A 12 mW laser strikes a polarizing filter oriented 30° to the incoming axis of polarization. How much power passes the filter?

- a) 6mW
- b) 8mW
- c) 9mW
- d) 4mW
- e) 3mW

### KEY:Bell:Bell1:V1 edit

Bell152874216207

1) For a binomial distribution with n trials, the variance is σ^{2}=np(1-p). If 90 trials are observed, then 68% of the time the observed number of positive outcomes will fall within ±___ of the expected value if p=.11 is the probability of a positive outcome. Make the approximation that this binomial distribution is approximately a Gaussian (normal) distribution).

- +a) 3
- -b) 18
- -c) 6
- -d) 1
- -e) 9

2) The normal distribution (often called a "bell curve") is never skewed

- +a) True
- -b) False

3) You solitaire deck uses ♥ ♠ ♣ and your answer cards are 4 and 5. You select 4♠, 5♣, and 5♥. If the questions were Q♠ and Q♣. Which of the following wins?

- -a) none of these are true
- -b) K♥ and K♣
- +c) two of these are true
- -d) K♥ and K♠
- -e) K♠ and K♣

4) To create an unpolarized pendulum oscillation

- -a) create an elliptically polarized wave with an 0.2<ε<0.8
- -b) create an elliptically polarized wave with an ε<0.8
- -c) create an elliptically polarized wave with an ε>0.2
- +d) start with a linear, circular, or elliptical wave and slowly evolve to different polarizations

5) Your solitaire deck uses ♥ ♠ ♣ and your answer cards are 4 and 5. You select 4♠, 4♣, and 5♥. If the questions were Q♠ and Q♣, you would__

- +a) lose 3 points
- -b) win 3 points
- -c) lose 1 point
- -d) be disqualified for cheating
- -e) win 1 point

6) What is the probability of success, p, for a binary distribution using a six-sided die, with success defined as "two"?

- +a) 3/6
- -b) 1/6
- -c) 4/6
- -d) 5/6
- -e) 2/6

7) The binomial distribution results from observing n outcomes, each having a probability p of "success"

- +a) True
- -b) False

8) If you play the solitaire game 3 times, you will on average lose ___ times.

- -a) 4
- +b) 1
- -c) 3
- -d) 2
- -e) 5

9) You solitaire deck uses ♥ ♠ ♣ and your answer cards are 4 and 5. You select 4♠, 5♣, and 5♥. If the questions were Q♠ and Q♣. Which of the following loses?

- +a) K♥ and K♣
- -b) K♠ and K♣
- -c) none of these are true
- -d) K♥ and K♠
- -e) two of these are true

- -a) 6mW
- -b) 8mW
- +c) 9mW
- -d) 4mW
- -e) 3mW

### Bell:Bell1:V2 edit

Bell152874216207

1) The binomial distribution results from observing n outcomes, each having a probability p of "success"

- a) True
- b) False

2) You solitaire deck uses ♥ ♠ ♣ and your answer cards are 4 and 5. You select 4♠, 5♣, and 5♥. If the questions were Q♠ and Q♣. Which of the following wins?

- a) K♥ and K♠
- b) two of these are true
- c) none of these are true
- d) K♥ and K♣
- e) K♠ and K♣

3) The normal distribution (often called a "bell curve") is never skewed

- a) True
- b) False

4) Your solitaire deck uses ♥ ♠ ♣ and your answer cards are 4 and 5. You select 4♠, 4♣, and 5♥. If the questions were Q♠ and Q♣, you would__

- a) lose 3 points
- b) lose 1 point
- c) be disqualified for cheating
- d) win 3 points
- e) win 1 point

5) A linear polarizer selects a component of the electric field. Also, the energy density of light is proportional to the square of the electric field. A 12 mW laser strikes a polarizing filter oriented 30° to the incoming axis of polarization. How much power passes the filter?

- a) 6mW
- b) 3mW
- c) 9mW
- d) 8mW
- e) 4mW

6) If you play the solitaire game 3 times, you will on average lose ___ times.

- a) 2
- b) 5
- c) 1
- d) 4
- e) 3

7) You solitaire deck uses ♥ ♠ ♣ and your answer cards are 4 and 5. You select 4♠, 5♣, and 5♥. If the questions were Q♠ and Q♣. Which of the following loses?

- a) none of these are true
- b) K♥ and K♣
- c) K♠ and K♣
- d) two of these are true
- e) K♥ and K♠

8) To create an unpolarized pendulum oscillation

- a) create an elliptically polarized wave with an ε<0.8
- b) create an elliptically polarized wave with an 0.2<ε<0.8
- c) start with a linear, circular, or elliptical wave and slowly evolve to different polarizations
- d) create an elliptically polarized wave with an ε>0.2

9) What is the probability of success, p, for a binary distribution using a six-sided die, with success defined as "two"?

- a) 3/6
- b) 4/6
- c) 5/6
- d) 1/6
- e) 2/6

10) For a binomial distribution with n trials, the variance is σ^{2}=np(1-p). If 90 trials are observed, then 68% of the time the observed number of positive outcomes will fall within ±___ of the expected value if p=.11 is the probability of a positive outcome. Make the approximation that this binomial distribution is approximately a Gaussian (normal) distribution).

- a) 9
- b) 1
- c) 6
- d) 18
- e) 3

### KEY:Bell:Bell1:V2 edit

Bell152874216207

1) The binomial distribution results from observing n outcomes, each having a probability p of "success"

- +a) True
- -b) False

- -a) K♥ and K♠
- +b) two of these are true
- -c) none of these are true
- -d) K♥ and K♣
- -e) K♠ and K♣

3) The normal distribution (often called a "bell curve") is never skewed

- +a) True
- -b) False

- +a) lose 3 points
- -b) lose 1 point
- -c) be disqualified for cheating
- -d) win 3 points
- -e) win 1 point

5) A linear polarizer selects a component of the electric field. Also, the energy density of light is proportional to the square of the electric field. A 12 mW laser strikes a polarizing filter oriented 30° to the incoming axis of polarization. How much power passes the filter?

- -a) 6mW
- -b) 3mW
- +c) 9mW
- -d) 8mW
- -e) 4mW

6) If you play the solitaire game 3 times, you will on average lose ___ times.

- -a) 2
- -b) 5
- +c) 1
- -d) 4
- -e) 3

7) You solitaire deck uses ♥ ♠ ♣ and your answer cards are 4 and 5. You select 4♠, 5♣, and 5♥. If the questions were Q♠ and Q♣. Which of the following loses?

- -a) none of these are true
- +b) K♥ and K♣
- -c) K♠ and K♣
- -d) two of these are true
- -e) K♥ and K♠

8) To create an unpolarized pendulum oscillation

- -a) create an elliptically polarized wave with an ε<0.8
- -b) create an elliptically polarized wave with an 0.2<ε<0.8
- +c) start with a linear, circular, or elliptical wave and slowly evolve to different polarizations
- -d) create an elliptically polarized wave with an ε>0.2

9) What is the probability of success, p, for a binary distribution using a six-sided die, with success defined as "two"?

- +a) 3/6
- -b) 4/6
- -c) 5/6
- -d) 1/6
- -e) 2/6

10) For a binomial distribution with n trials, the variance is σ^{2}=np(1-p). If 90 trials are observed, then 68% of the time the observed number of positive outcomes will fall within ±___ of the expected value if p=.11 is the probability of a positive outcome. Make the approximation that this binomial distribution is approximately a Gaussian (normal) distribution).

- -a) 9
- -b) 1
- -c) 6
- -d) 18
- +e) 3

### Bell:Bell2:V0 edit

Bell152874216207

1) Hold a pendulum a moderate distance from equilibrium and release it by tossing it in a direction perpendicular to the displacement of the mass from equilibrium. The resulting polarization will be ____ (pick the best answer)

- a) circular or linear
- b) circular
- c) linearly
- d) linear or elliptical
- e) circular or elliptical

2) Suppose the referee selects neutral scoring with What number does the penalty approach as the probability of asking the same question goes to 1?

- a)
- b)
- c)
- d)
- e)

3) Suppose the referee selects neutral scoring with What is the penalty if the probability of asking the same question is 0.5?

- a)
- b)
- c)
- d)
- e)

4) How much do the partners win or lose if Alice answers 4♠ to K♠ while Bob answers 5♠ to A♠?

- a) win 1 point
- b) no points awarded or lost
- c) lose 3 points
- d) lose Q points

5) Two black bodies of are created by cutting identical small holes in two large containers. The holes are oriented so that all the photons leaving one will enter the other. The objects have different temperature and different volume. Which object has the greater electromagnetic ("photon") energy density (energy per unit volume)?

- a) The larger object has a greater energy density.
- b) They have the same energy density (since the holes are identical).
- c) No unique answer exists because two variables are involved (temperature and volume).
- d) The hotter object has a greater energy density.

- a) Evidence presented in 1800 that light is a wave.
- b) Photons striking metal and ejecting electrons (photo-electric effect explained in 1905)
- c) The transfer of energy and momentum of a high energy photon of a nearly free electron.
- d) A system similar to the one that led to the 1901 proposal that light energy is quantized as integral multiples of hf (except that Plank assumed that the walls were conductive.)
- e) Diffraction observed in light so faint that photons seemed to have no mechanism to interact with each other (observed in 1909)

7) A photon is polarized at 10° when it encounters a filter oriented at 100°. What is the probability that it is blocked?

- a) 3/4
- b) 1
- c) 0
- d) 1/2
- e) 1/4

P(♠,♦) = ?

Assume the dots represent five observations.

- a) 3/5
- b) 2/5
- c) 5/6
- d) 2/4=1/2
- e) 3/4

C(♠,♥) = ?

Assume the dots represent five observations.

- a) 0
- b) +2/5
- c) −2/5
- d) +1
- e) +1/5
- f) −1/5

C(♠,♦) = ?

Assume the dots represent five observations.

- a) +2/5
- b) +1/5
- c) +1
- d) −1/5
- e) −2/5
- f) 0

### KEY:Bell:Bell2:V0 edit

Bell152874216207

1) Hold a pendulum a moderate distance from equilibrium and release it by tossing it in a direction perpendicular to the displacement of the mass from equilibrium. The resulting polarization will be ____ (pick the best answer)

- -a) circular or linear
- -b) circular
- -c) linearly
- -d) linear or elliptical
- +e) circular or elliptical

2) Suppose the referee selects neutral scoring with What number does the penalty approach as the probability of asking the same question goes to 1?

- -a)
- +b)
- -c)
- -d)
- -e)

3) Suppose the referee selects neutral scoring with What is the penalty if the probability of asking the same question is 0.5?

- -a)
- -b)
- -c)
- +d)
- -e)

4) How much do the partners win or lose if Alice answers 4♠ to K♠ while Bob answers 5♠ to A♠?

- -a) win 1 point
- -b) no points awarded or lost
- -c) lose 3 points
- +d) lose Q points

5) Two black bodies of are created by cutting identical small holes in two large containers. The holes are oriented so that all the photons leaving one will enter the other. The objects have different temperature and different volume. Which object has the greater electromagnetic ("photon") energy density (energy per unit volume)?

- -a) The larger object has a greater energy density.
- -b) They have the same energy density (since the holes are identical).
- -c) No unique answer exists because two variables are involved (temperature and volume).
- +d) The hotter object has a greater energy density.

- -a) Evidence presented in 1800 that light is a wave.
- -b) Photons striking metal and ejecting electrons (photo-electric effect explained in 1905)
- -c) The transfer of energy and momentum of a high energy photon of a nearly free electron.
- -d) A system similar to the one that led to the 1901 proposal that light energy is quantized as integral multiples of hf (except that Plank assumed that the walls were conductive.)
- +e) Diffraction observed in light so faint that photons seemed to have no mechanism to interact with each other (observed in 1909)

7) A photon is polarized at 10° when it encounters a filter oriented at 100°. What is the probability that it is blocked?

- -a) 3/4
- +b) 1
- -c) 0
- -d) 1/2
- -e) 1/4

P(♠,♦) = ?

Assume the dots represent five observations.

- +a) 3/5
- -b) 2/5
- -c) 5/6
- -d) 2/4=1/2
- -e) 3/4

C(♠,♥) = ?

Assume the dots represent five observations.

- -a) 0
- -b) +2/5
- -c) −2/5
- -d) +1
- -e) +1/5
- +f) −1/5

C(♠,♦) = ?

Assume the dots represent five observations.

- -a) +2/5
- +b) +1/5
- -c) +1
- -d) −1/5
- -e) −2/5
- -f) 0

### Bell:Bell2:V1 edit

Bell152874216207

1) Hold a pendulum a moderate distance from equilibrium and release it by tossing it in a direction perpendicular to the displacement of the mass from equilibrium. The resulting polarization will be ____ (pick the best answer)

- a) linear or elliptical
- b) circular
- c) circular or elliptical
- d) circular or linear
- e) linearly

2) How much do the partners win or lose if Alice answers 4♠ to K♠ while Bob answers 5♠ to A♠?

- a) lose Q points
- b) no points awarded or lost
- c) win 1 point
- d) lose 3 points

3) Suppose the referee selects neutral scoring with What number does the penalty approach as the probability of asking the same question goes to 1?

- a)
- b)
- c)
- d)
- e)

P(♠,♦) = ?

Assume the dots represent five observations.

- a) 2/5
- b) 2/4=1/2
- c) 3/5
- d) 5/6
- e) 3/4

- a) Diffraction observed in light so faint that photons seemed to have no mechanism to interact with each other (observed in 1909)
- b) The transfer of energy and momentum of a high energy photon of a nearly free electron.
- c) Photons striking metal and ejecting electrons (photo-electric effect explained in 1905)
- d) Evidence presented in 1800 that light is a wave.
- e) A system similar to the one that led to the 1901 proposal that light energy is quantized as integral multiples of hf (except that Plank assumed that the walls were conductive.)

C(♠,♥) = ?

Assume the dots represent five observations.

- a) −2/5
- b) −1/5
- c) +2/5
- d) +1/5
- e) +1
- f) 0

7) Two black bodies of are created by cutting identical small holes in two large containers. The holes are oriented so that all the photons leaving one will enter the other. The objects have different temperature and different volume. Which object has the greater electromagnetic ("photon") energy density (energy per unit volume)?

- a) They have the same energy density (since the holes are identical).
- b) No unique answer exists because two variables are involved (temperature and volume).
- c) The hotter object has a greater energy density.
- d) The larger object has a greater energy density.

8) A photon is polarized at 10° when it encounters a filter oriented at 100°. What is the probability that it is blocked?

- a) 0
- b) 3/4
- c) 1/4
- d) 1/2
- e) 1

C(♠,♦) = ?

Assume the dots represent five observations.

- a) +1
- b) 0
- c) −2/5
- d) +1/5
- e) +2/5
- f) −1/5

10) Suppose the referee selects neutral scoring with What is the penalty if the probability of asking the same question is 0.5?

- a)
- b)
- c)
- d)
- e)

### KEY:Bell:Bell2:V1 edit

Bell152874216207

- -a) linear or elliptical
- -b) circular
- +c) circular or elliptical
- -d) circular or linear
- -e) linearly

2) How much do the partners win or lose if Alice answers 4♠ to K♠ while Bob answers 5♠ to A♠?

- +a) lose Q points
- -b) no points awarded or lost
- -c) win 1 point
- -d) lose 3 points

3) Suppose the referee selects neutral scoring with What number does the penalty approach as the probability of asking the same question goes to 1?

- -a)
- -b)
- -c)
- -d)
- +e)

P(♠,♦) = ?

Assume the dots represent five observations.

- -a) 2/5
- -b) 2/4=1/2
- +c) 3/5
- -d) 5/6
- -e) 3/4

- +a) Diffraction observed in light so faint that photons seemed to have no mechanism to interact with each other (observed in 1909)
- -b) The transfer of energy and momentum of a high energy photon of a nearly free electron.
- -c) Photons striking metal and ejecting electrons (photo-electric effect explained in 1905)
- -d) Evidence presented in 1800 that light is a wave.
- -e) A system similar to the one that led to the 1901 proposal that light energy is quantized as integral multiples of hf (except that Plank assumed that the walls were conductive.)

C(♠,♥) = ?

Assume the dots represent five observations.

- -a) −2/5
- +b) −1/5
- -c) +2/5
- -d) +1/5
- -e) +1
- -f) 0

7) Two black bodies of are created by cutting identical small holes in two large containers. The holes are oriented so that all the photons leaving one will enter the other. The objects have different temperature and different volume. Which object has the greater electromagnetic ("photon") energy density (energy per unit volume)?

- -a) They have the same energy density (since the holes are identical).
- -b) No unique answer exists because two variables are involved (temperature and volume).
- +c) The hotter object has a greater energy density.
- -d) The larger object has a greater energy density.

8) A photon is polarized at 10° when it encounters a filter oriented at 100°. What is the probability that it is blocked?

- -a) 0
- -b) 3/4
- -c) 1/4
- -d) 1/2
- +e) 1

C(♠,♦) = ?

Assume the dots represent five observations.

- -a) +1
- -b) 0
- -c) −2/5
- +d) +1/5
- -e) +2/5
- -f) −1/5

10) Suppose the referee selects neutral scoring with What is the penalty if the probability of asking the same question is 0.5?

- +a)
- -b)
- -c)
- -d)
- -e)

### Bell:Bell2:V2 edit

Bell152874216207

1) How much do the partners win or lose if Alice answers 4♠ to K♠ while Bob answers 5♠ to A♠?

- a) lose 3 points
- b) lose Q points
- c) no points awarded or lost
- d) win 1 point

- a) Diffraction observed in light so faint that photons seemed to have no mechanism to interact with each other (observed in 1909)
- b) Evidence presented in 1800 that light is a wave.
- c) Photons striking metal and ejecting electrons (photo-electric effect explained in 1905)
- d) The transfer of energy and momentum of a high energy photon of a nearly free electron.
- e) A system similar to the one that led to the 1901 proposal that light energy is quantized as integral multiples of hf (except that Plank assumed that the walls were conductive.)

3) Two black bodies of are created by cutting identical small holes in two large containers. The holes are oriented so that all the photons leaving one will enter the other. The objects have different temperature and different volume. Which object has the greater electromagnetic ("photon") energy density (energy per unit volume)?

- a) The hotter object has a greater energy density.
- b) The larger object has a greater energy density.
- c) No unique answer exists because two variables are involved (temperature and volume).
- d) They have the same energy density (since the holes are identical).

P(♠,♦) = ?

Assume the dots represent five observations.

- a) 3/5
- b) 3/4
- c) 2/4=1/2
- d) 5/6
- e) 2/5

5) Hold a pendulum a moderate distance from equilibrium and release it by tossing it in a direction perpendicular to the displacement of the mass from equilibrium. The resulting polarization will be ____ (pick the best answer)

- a) circular or elliptical
- b) linear or elliptical
- c) circular
- d) circular or linear
- e) linearly

C(♠,♦) = ?

Assume the dots represent five observations.

- a) +1/5
- b) 0
- c) +2/5
- d) −2/5
- e) −1/5
- f) +1

7) Suppose the referee selects neutral scoring with What number does the penalty approach as the probability of asking the same question goes to 1?

- a)
- b)
- c)
- d)
- e)

8) Suppose the referee selects neutral scoring with What is the penalty if the probability of asking the same question is 0.5?

- a)
- b)
- c)
- d)
- e)

C(♠,♥) = ?

Assume the dots represent five observations.

- a) +1
- b) +2/5
- c) 0
- d) −2/5
- e) −1/5
- f) +1/5

10) A photon is polarized at 10° when it encounters a filter oriented at 100°. What is the probability that it is blocked?

- a) 1/2
- b) 0
- c) 3/4
- d) 1/4
- e) 1

### KEY:Bell:Bell2:V2 edit

Bell152874216207

1) How much do the partners win or lose if Alice answers 4♠ to K♠ while Bob answers 5♠ to A♠?

- -a) lose 3 points
- +b) lose Q points
- -c) no points awarded or lost
- -d) win 1 point

- +a) Diffraction observed in light so faint that photons seemed to have no mechanism to interact with each other (observed in 1909)
- -b) Evidence presented in 1800 that light is a wave.
- -c) Photons striking metal and ejecting electrons (photo-electric effect explained in 1905)
- -d) The transfer of energy and momentum of a high energy photon of a nearly free electron.
- -e) A system similar to the one that led to the 1901 proposal that light energy is quantized as integral multiples of hf (except that Plank assumed that the walls were conductive.)

3) Two black bodies of are created by cutting identical small holes in two large containers. The holes are oriented so that all the photons leaving one will enter the other. The objects have different temperature and different volume. Which object has the greater electromagnetic ("photon") energy density (energy per unit volume)?

- +a) The hotter object has a greater energy density.
- -b) The larger object has a greater energy density.
- -c) No unique answer exists because two variables are involved (temperature and volume).
- -d) They have the same energy density (since the holes are identical).

P(♠,♦) = ?

Assume the dots represent five observations.

- +a) 3/5
- -b) 3/4
- -c) 2/4=1/2
- -d) 5/6
- -e) 2/5

5) Hold a pendulum a moderate distance from equilibrium and release it by tossing it in a direction perpendicular to the displacement of the mass from equilibrium. The resulting polarization will be ____ (pick the best answer)

- +a) circular or elliptical
- -b) linear or elliptical
- -c) circular
- -d) circular or linear
- -e) linearly

C(♠,♦) = ?

Assume the dots represent five observations.

- +a) +1/5
- -b) 0
- -c) +2/5
- -d) −2/5
- -e) −1/5
- -f) +1

7) Suppose the referee selects neutral scoring with What number does the penalty approach as the probability of asking the same question goes to 1?

- -a)
- +b)
- -c)
- -d)
- -e)

8) Suppose the referee selects neutral scoring with What is the penalty if the probability of asking the same question is 0.5?

- +a)
- -b)
- -c)
- -d)
- -e)

C(♠,♥) = ?

Assume the dots represent five observations.

- -a) +1
- -b) +2/5
- -c) 0
- -d) −2/5
- +e) −1/5
- -f) +1/5

10) A photon is polarized at 10° when it encounters a filter oriented at 100°. What is the probability that it is blocked?

- -a) 1/2
- -b) 0
- -c) 3/4
- -d) 1/4
- +e) 1

### Bell:Bell3:V0 edit

Bell152874216207

1) Your solitaire deck uses ♥ ♠ ♣ and your answer cards are 4 and 5. You select 4♠, 4♣, and 5♥. If the questions were Q♠ and Q♣, you would__

- a) lose 3 points
- b) lose 1 point
- c) win 1 point
- d) be disqualified for cheating
- e) win 3 points

2) If you play the solitaire game 6 times, you will on average lose ___ times.

- a) 4
- b) 2
- c) 5
- d) 6
- e) 3

3) What is the probability of success, p, for a binary distribution using a six-sided die, with success defined as "two"?

- a) 1/6
- b) 2/6
- c) 4/6
- d) 3/6
- e) 5/6

4) For a binomial distribution with n trials, the variance is σ^{2}=np(1-p). If 40 trials are observed, then 68% of the time the observed number of positive outcomes will fall within ±___ of the expected value if p=.11 is the probability of a positive outcome. Make the approximation that this binomial distribution is approximately a Gaussian (normal) distribution).

- a) 3
- b) 2
- c) 9
- d) 6
- e) 18

5) The normal distribution (often called a "bell curve") is usually skewed

- a) True
- b) False

6) How would you describe the "skew" of a binary distribution?

- a) None of these are true.
- b) The binary distribution is always skewed, but has little skew for a small number of trials n.
- c) The binary distribution is never skewed if it is a true binary distribution.
- d) The binary distribution is always skewed, but has little skew for a large number of trials n.
- e) Distributions are never skewed. Only experimental measurements of them are skewed.

7) The light is linearly polarized, the electric field is oriented ________to the direction of motion

- a) at 45 degrees
- b) parallel
- c) perpendicular
- d) all of these are possible

8) A linear polarizer selects a component of the electric field. Also, the energy density of light is proportional to the square of the electric field.A 12 mW laser strikes a polarizing filter oriented 45° to the incoming axis of polarization. How much power is passed by the filter?

- a) 9mW
- b) 4mW
- c) 3mW
- d) 6mW
- e) 8mW

- a) 3/16
- b) 1/8
- c) 1/32
- d) 1/16
- e) 3/32

10) If the hypotenuse of a 45°-45° right triangle has a length of what is the length of each side?

- a)
- b)
- c)
- d)
- e)

11) Suppose the referee selects neutral scoring with What is the penalty if the probability of asking the same question is 0.25?

- a)
- b)
- c)
- d)
- e)

12) How much do the partners win or lose if Alice answers 4♠ to K♠ while Bob answers 4♥ to A♥?

- a) no points awarded or lost
- b) win 1 point
- c) lose Q points
- d) lose 3 points

13) How much do the partners win or lose if Alice answers 4♠ to K♠ while Bob answers 5♠ to A♠?

- a) no points awarded or lost
- b) lose Q points
- c) lose 3 points
- d) win 1 point

- a) Diffraction observed in light so faint that photons seemed to have no mechanism to interact with each other (observed in 1909)
- b) The transfer of energy and momentum of a high energy photon of a nearly free electron.
- c) Evidence presented in 1800 that light is a wave.
- d) A system similar to the one that led to the 1901 proposal that light energy is quantized as integral multiples of hf (except that Plank assumed that the walls were conductive.)
- e) Photons striking metal and ejecting electrons (photo-electric effect explained in 1905)

15) A photon is polarized at 10° when it encounters a filter oriented at 70°. What is the probability that it passes?

- a) 3/4
- b) 1/2
- c) 1/4
- d) 0
- e) 1

16) In the Phet lab for photoelectric effect, how was the electron's kinetic energy measured?

- a) stopping the electron with an applied voltage
- b) deflecting the electron with a magnetic field
- c) measuring both spin and polarization
- d) measuring polarization
- e) measuring spin

17) If a 3 eV photon strikes a metal plate and causes an electron to escape, that electron will have a kinetic energy that is

- a) equal to 6 eV
- b) less than 3 eV
- c) equal to 3 eV
- d) greater than 3 eV
- e) zero

- a) 1
- b) 5/4
- c) 1/2
- d) 1/4
- e) 3/4
- f) 0

- a) 1
- b) 5/4
- c) 1/4
- d) 3/4
- e) 0
- f) 1/2

C(♠,♥) = ?

Assume the dots represent five observations.

- a) +1
- b) −1/5
- c) +1/5
- d) −2/5
- e) +2/5
- f) 0

### KEY:Bell:Bell3:V0 edit

Bell152874216207

1) Your solitaire deck uses ♥ ♠ ♣ and your answer cards are 4 and 5. You select 4♠, 4♣, and 5♥. If the questions were Q♠ and Q♣, you would__

- +a) lose 3 points
- -b) lose 1 point
- -c) win 1 point
- -d) be disqualified for cheating
- -e) win 3 points

2) If you play the solitaire game 6 times, you will on average lose ___ times.

- -a) 4
- +b) 2
- -c) 5
- -d) 6
- -e) 3

3) What is the probability of success, p, for a binary distribution using a six-sided die, with success defined as "two"?

- -a) 1/6
- -b) 2/6
- -c) 4/6
- +d) 3/6
- -e) 5/6

4) For a binomial distribution with n trials, the variance is σ^{2}=np(1-p). If 40 trials are observed, then 68% of the time the observed number of positive outcomes will fall within ±___ of the expected value if p=.11 is the probability of a positive outcome. Make the approximation that this binomial distribution is approximately a Gaussian (normal) distribution).

- -a) 3
- +b) 2
- -c) 9
- -d) 6
- -e) 18

5) The normal distribution (often called a "bell curve") is usually skewed

- -a) True
- +b) False

6) How would you describe the "skew" of a binary distribution?

- -a) None of these are true.
- -b) The binary distribution is always skewed, but has little skew for a small number of trials n.
- -c) The binary distribution is never skewed if it is a true binary distribution.
- +d) The binary distribution is always skewed, but has little skew for a large number of trials n.
- -e) Distributions are never skewed. Only experimental measurements of them are skewed.

7) The light is linearly polarized, the electric field is oriented ________to the direction of motion

- -a) at 45 degrees
- -b) parallel
- +c) perpendicular
- -d) all of these are possible

8) A linear polarizer selects a component of the electric field. Also, the energy density of light is proportional to the square of the electric field.A 12 mW laser strikes a polarizing filter oriented 45° to the incoming axis of polarization. How much power is passed by the filter?

- -a) 9mW
- -b) 4mW
- -c) 3mW
- +d) 6mW
- -e) 8mW

- -a) 3/16
- +b) 1/8
- -c) 1/32
- -d) 1/16
- -e) 3/32

10) If the hypotenuse of a 45°-45° right triangle has a length of what is the length of each side?

- -a)
- -b)
- +c)
- -d)
- -e)

11) Suppose the referee selects neutral scoring with What is the penalty if the probability of asking the same question is 0.25?

- -a)
- -b)
- -c)
- +d)
- -e)

12) How much do the partners win or lose if Alice answers 4♠ to K♠ while Bob answers 4♥ to A♥?

- -a) no points awarded or lost
- -b) win 1 point
- -c) lose Q points
- +d) lose 3 points

13) How much do the partners win or lose if Alice answers 4♠ to K♠ while Bob answers 5♠ to A♠?

- -a) no points awarded or lost
- +b) lose Q points
- -c) lose 3 points
- -d) win 1 point

- +a) Diffraction observed in light so faint that photons seemed to have no mechanism to interact with each other (observed in 1909)
- -b) The transfer of energy and momentum of a high energy photon of a nearly free electron.
- -c) Evidence presented in 1800 that light is a wave.
- -d) A system similar to the one that led to the 1901 proposal that light energy is quantized as integral multiples of hf (except that Plank assumed that the walls were conductive.)
- -e) Photons striking metal and ejecting electrons (photo-electric effect explained in 1905)

15) A photon is polarized at 10° when it encounters a filter oriented at 70°. What is the probability that it passes?

- -a) 3/4
- -b) 1/2
- +c) 1/4
- -d) 0
- -e) 1

16) In the Phet lab for photoelectric effect, how was the electron's kinetic energy measured?

- +a) stopping the electron with an applied voltage
- -b) deflecting the electron with a magnetic field
- -c) measuring both spin and polarization
- -d) measuring polarization
- -e) measuring spin

17) If a 3 eV photon strikes a metal plate and causes an electron to escape, that electron will have a kinetic energy that is

- -a) equal to 6 eV
- +b) less than 3 eV
- -c) equal to 3 eV
- -d) greater than 3 eV
- -e) zero

- -a) 1
- -b) 5/4
- -c) 1/2
- -d) 1/4
- +e) 3/4
- -f) 0

- -a) 1
- +b) 5/4
- -c) 1/4
- -d) 3/4
- -e) 0
- -f) 1/2

C(♠,♥) = ?

Assume the dots represent five observations.

- -a) +1
- +b) −1/5
- -c) +1/5
- -d) −2/5
- -e) +2/5
- -f) 0

### Bell:Bell3:V1 edit

Bell152874216207

- a) 3/32
- b) 1/16
- c) 1/8
- d) 1/32
- e) 3/16

2) The normal distribution (often called a "bell curve") is usually skewed

- a) True
- b) False

- a) 1/2
- b) 0
- c) 3/4
- d) 1
- e) 5/4
- f) 1/4

4) A linear polarizer selects a component of the electric field. Also, the energy density of light is proportional to the square of the electric field.A 12 mW laser strikes a polarizing filter oriented 45° to the incoming axis of polarization. How much power is passed by the filter?

- a) 9mW
- b) 8mW
- c) 3mW
- d) 6mW
- e) 4mW

5) If you play the solitaire game 6 times, you will on average lose ___ times.

- a) 5
- b) 3
- c) 2
- d) 6
- e) 4

- a) 0
- b) 3/4
- c) 1/2
- d) 5/4
- e) 1
- f) 1/4

7) Your solitaire deck uses ♥ ♠ ♣ and your answer cards are 4 and 5. You select 4♠, 4♣, and 5♥. If the questions were Q♠ and Q♣, you would__

- a) win 1 point
- b) lose 1 point
- c) lose 3 points
- d) be disqualified for cheating
- e) win 3 points

8) If the hypotenuse of a 45°-45° right triangle has a length of what is the length of each side?

- a)
- b)
- c)
- d)
- e)

- a) A system similar to the one that led to the 1901 proposal that light energy is quantized as integral multiples of hf (except that Plank assumed that the walls were conductive.)
- b) Diffraction observed in light so faint that photons seemed to have no mechanism to interact with each other (observed in 1909)
- c) The transfer of energy and momentum of a high energy photon of a nearly free electron.
- d) Photons striking metal and ejecting electrons (photo-electric effect explained in 1905)
- e) Evidence presented in 1800 that light is a wave.

10) What is the probability of success, p, for a binary distribution using a six-sided die, with success defined as "two"?

- a) 2/6
- b) 4/6
- c) 5/6
- d) 3/6
- e) 1/6

11) The light is linearly polarized, the electric field is oriented ________to the direction of motion

- a) at 45 degrees
- b) all of these are possible
- c) perpendicular
- d) parallel

12) For a binomial distribution with n trials, the variance is σ^{2}=np(1-p). If 40 trials are observed, then 68% of the time the observed number of positive outcomes will fall within ±___ of the expected value if p=.11 is the probability of a positive outcome. Make the approximation that this binomial distribution is approximately a Gaussian (normal) distribution).

- a) 18
- b) 3
- c) 6
- d) 9
- e) 2

13) Suppose the referee selects neutral scoring with What is the penalty if the probability of asking the same question is 0.25?

- a)
- b)
- c)
- d)
- e)

14) How would you describe the "skew" of a binary distribution?

- a) None of these are true.
- b) The binary distribution is never skewed if it is a true binary distribution.
- c) The binary distribution is always skewed, but has little skew for a small number of trials n.
- d) The binary distribution is always skewed, but has little skew for a large number of trials n.
- e) Distributions are never skewed. Only experimental measurements of them are skewed.

15) If a 3 eV photon strikes a metal plate and causes an electron to escape, that electron will have a kinetic energy that is

- a) zero
- b) greater than 3 eV
- c) less than 3 eV
- d) equal to 3 eV
- e) equal to 6 eV

16) How much do the partners win or lose if Alice answers 4♠ to K♠ while Bob answers 5♠ to A♠?

- a) win 1 point
- b) lose Q points
- c) lose 3 points
- d) no points awarded or lost

17) In the Phet lab for photoelectric effect, how was the electron's kinetic energy measured?

- a) stopping the electron with an applied voltage
- b) deflecting the electron with a magnetic field
- c) measuring both spin and polarization
- d) measuring polarization
- e) measuring spin

18) How much do the partners win or lose if Alice answers 4♠ to K♠ while Bob answers 4♥ to A♥?

- a) lose 3 points
- b) no points awarded or lost
- c) win 1 point
- d) lose Q points

C(♠,♥) = ?

Assume the dots represent five observations.

- a) +1
- b) −1/5
- c) +2/5
- d) −2/5
- e) 0
- f) +1/5

20) A photon is polarized at 10° when it encounters a filter oriented at 70°. What is the probability that it passes?

- a) 0
- b) 1/4
- c) 3/4
- d) 1
- e) 1/2

### KEY:Bell:Bell3:V1 edit

Bell152874216207

- -a) 3/32
- -b) 1/16
- +c) 1/8
- -d) 1/32
- -e) 3/16

2) The normal distribution (often called a "bell curve") is usually skewed

- -a) True
- +b) False

- -a) 1/2
- -b) 0
- +c) 3/4
- -d) 1
- -e) 5/4
- -f) 1/4

4) A linear polarizer selects a component of the electric field. Also, the energy density of light is proportional to the square of the electric field.A 12 mW laser strikes a polarizing filter oriented 45° to the incoming axis of polarization. How much power is passed by the filter?

- -a) 9mW
- -b) 8mW
- -c) 3mW
- +d) 6mW
- -e) 4mW

5) If you play the solitaire game 6 times, you will on average lose ___ times.

- -a) 5
- -b) 3
- +c) 2
- -d) 6
- -e) 4

- -a) 0
- -b) 3/4
- -c) 1/2
- +d) 5/4
- -e) 1
- -f) 1/4

7) Your solitaire deck uses ♥ ♠ ♣ and your answer cards are 4 and 5. You select 4♠, 4♣, and 5♥. If the questions were Q♠ and Q♣, you would__

- -a) win 1 point
- -b) lose 1 point
- +c) lose 3 points
- -d) be disqualified for cheating
- -e) win 3 points

8) If the hypotenuse of a 45°-45° right triangle has a length of what is the length of each side?

- +a)
- -b)
- -c)
- -d)
- -e)

- -a) A system similar to the one that led to the 1901 proposal that light energy is quantized as integral multiples of hf (except that Plank assumed that the walls were conductive.)
- +b) Diffraction observed in light so faint that photons seemed to have no mechanism to interact with each other (observed in 1909)
- -c) The transfer of energy and momentum of a high energy photon of a nearly free electron.
- -d) Photons striking metal and ejecting electrons (photo-electric effect explained in 1905)
- -e) Evidence presented in 1800 that light is a wave.

10) What is the probability of success, p, for a binary distribution using a six-sided die, with success defined as "two"?

- -a) 2/6
- -b) 4/6
- -c) 5/6
- +d) 3/6
- -e) 1/6

11) The light is linearly polarized, the electric field is oriented ________to the direction of motion

- -a) at 45 degrees
- -b) all of these are possible
- +c) perpendicular
- -d) parallel

12) For a binomial distribution with n trials, the variance is σ^{2}=np(1-p). If 40 trials are observed, then 68% of the time the observed number of positive outcomes will fall within ±___ of the expected value if p=.11 is the probability of a positive outcome. Make the approximation that this binomial distribution is approximately a Gaussian (normal) distribution).

- -a) 18
- -b) 3
- -c) 6
- -d) 9
- +e) 2

13) Suppose the referee selects neutral scoring with What is the penalty if the probability of asking the same question is 0.25?

- -a)
- +b)
- -c)
- -d)
- -e)

14) How would you describe the "skew" of a binary distribution?

- -a) None of these are true.
- -b) The binary distribution is never skewed if it is a true binary distribution.
- -c) The binary distribution is always skewed, but has little skew for a small number of trials n.
- +d) The binary distribution is always skewed, but has little skew for a large number of trials n.
- -e) Distributions are never skewed. Only experimental measurements of them are skewed.

15) If a 3 eV photon strikes a metal plate and causes an electron to escape, that electron will have a kinetic energy that is

- -a) zero
- -b) greater than 3 eV
- +c) less than 3 eV
- -d) equal to 3 eV
- -e) equal to 6 eV

16) How much do the partners win or lose if Alice answers 4♠ to K♠ while Bob answers 5♠ to A♠?

- -a) win 1 point
- +b) lose Q points
- -c) lose 3 points
- -d) no points awarded or lost

17) In the Phet lab for photoelectric effect, how was the electron's kinetic energy measured?

- +a) stopping the electron with an applied voltage
- -b) deflecting the electron with a magnetic field
- -c) measuring both spin and polarization
- -d) measuring polarization
- -e) measuring spin

18) How much do the partners win or lose if Alice answers 4♠ to K♠ while Bob answers 4♥ to A♥?

- +a) lose 3 points
- -b) no points awarded or lost
- -c) win 1 point
- -d) lose Q points

C(♠,♥) = ?

Assume the dots represent five observations.

- -a) +1
- +b) −1/5
- -c) +2/5
- -d) −2/5
- -e) 0
- -f) +1/5

20) A photon is polarized at 10° when it encounters a filter oriented at 70°. What is the probability that it passes?

- -a) 0
- +b) 1/4
- -c) 3/4
- -d) 1
- -e) 1/2

### Bell:Bell3:V2 edit

Bell152874216207

1) In the Phet lab for photoelectric effect, how was the electron's kinetic energy measured?

- a) deflecting the electron with a magnetic field
- b) measuring both spin and polarization
- c) stopping the electron with an applied voltage
- d) measuring polarization
- e) measuring spin

2) How much do the partners win or lose if Alice answers 4♠ to K♠ while Bob answers 5♠ to A♠?

- a) win 1 point
- b) no points awarded or lost
- c) lose 3 points
- d) lose Q points

3) For a binomial distribution with n trials, the variance is σ^{2}=np(1-p). If 40 trials are observed, then 68% of the time the observed number of positive outcomes will fall within ±___ of the expected value if p=.11 is the probability of a positive outcome. Make the approximation that this binomial distribution is approximately a Gaussian (normal) distribution).

- a) 2
- b) 18
- c) 6
- d) 9
- e) 3

4) If a 3 eV photon strikes a metal plate and causes an electron to escape, that electron will have a kinetic energy that is

- a) greater than 3 eV
- b) equal to 3 eV
- c) less than 3 eV
- d) zero
- e) equal to 6 eV

5) The normal distribution (often called a "bell curve") is usually skewed

- a) True
- b) False

- a) 1/8
- b) 1/32
- c) 3/32
- d) 1/16
- e) 3/16

7) A photon is polarized at 10° when it encounters a filter oriented at 70°. What is the probability that it passes?

- a) 1
- b) 1/4
- c) 3/4
- d) 1/2
- e) 0

8) If the hypotenuse of a 45°-45° right triangle has a length of what is the length of each side?

- a)
- b)
- c)
- d)
- e)

- a) 1/2
- b) 1
- c) 1/4
- d) 0
- e) 5/4
- f) 3/4

C(♠,♥) = ?

Assume the dots represent five observations.

- a) +2/5
- b) 0
- c) −1/5
- d) +1/5
- e) −2/5
- f) +1

- a) 3/4
- b) 0
- c) 1
- d) 1/2
- e) 1/4
- f) 5/4

- b) The transfer of energy and momentum of a high energy photon of a nearly free electron.
- c) A system similar to the one that led to the 1901 proposal that light energy is quantized as integral multiples of hf (except that Plank assumed that the walls were conductive.)
- d) Evidence presented in 1800 that light is a wave.
- e) Photons striking metal and ejecting electrons (photo-electric effect explained in 1905)

13) How much do the partners win or lose if Alice answers 4♠ to K♠ while Bob answers 4♥ to A♥?

- a) lose Q points
- b) lose 3 points
- c) win 1 point
- d) no points awarded or lost

14) Suppose the referee selects neutral scoring with What is the penalty if the probability of asking the same question is 0.25?

- a)
- b)
- c)
- d)
- e)

15) A linear polarizer selects a component of the electric field. Also, the energy density of light is proportional to the square of the electric field.A 12 mW laser strikes a polarizing filter oriented 45° to the incoming axis of polarization. How much power is passed by the filter?

- a) 6mW
- b) 8mW
- c) 9mW
- d) 3mW
- e) 4mW

16) The light is linearly polarized, the electric field is oriented ________to the direction of motion

- a) at 45 degrees
- b) perpendicular
- c) parallel
- d) all of these are possible

17) Your solitaire deck uses ♥ ♠ ♣ and your answer cards are 4 and 5. You select 4♠, 4♣, and 5♥. If the questions were Q♠ and Q♣, you would__

- a) lose 1 point
- b) win 1 point
- c) lose 3 points
- d) be disqualified for cheating
- e) win 3 points

18) What is the probability of success, p, for a binary distribution using a six-sided die, with success defined as "two"?

- a) 2/6
- b) 3/6
- c) 4/6
- d) 1/6
- e) 5/6

19) How would you describe the "skew" of a binary distribution?

- a) The binary distribution is always skewed, but has little skew for a large number of trials n.
- b) The binary distribution is never skewed if it is a true binary distribution.
- c) The binary distribution is always skewed, but has little skew for a small number of trials n.
- d) None of these are true.
- e) Distributions are never skewed. Only experimental measurements of them are skewed.

20) If you play the solitaire game 6 times, you will on average lose ___ times.

- a) 5
- b) 2
- c) 6
- d) 3
- e) 4

### KEY:Bell:Bell3:V2 edit

Bell152874216207

1) In the Phet lab for photoelectric effect, how was the electron's kinetic energy measured?

- -a) deflecting the electron with a magnetic field
- -b) measuring both spin and polarization
- +c) stopping the electron with an applied voltage
- -d) measuring polarization
- -e) measuring spin

2) How much do the partners win or lose if Alice answers 4♠ to K♠ while Bob answers 5♠ to A♠?

- -a) win 1 point
- -b) no points awarded or lost
- -c) lose 3 points
- +d) lose Q points

3) For a binomial distribution with n trials, the variance is σ^{2}=np(1-p). If 40 trials are observed, then 68% of the time the observed number of positive outcomes will fall within ±___ of the expected value if p=.11 is the probability of a positive outcome. Make the approximation that this binomial distribution is approximately a Gaussian (normal) distribution).

- +a) 2
- -b) 18
- -c) 6
- -d) 9
- -e) 3

4) If a 3 eV photon strikes a metal plate and causes an electron to escape, that electron will have a kinetic energy that is

- -a) greater than 3 eV
- -b) equal to 3 eV
- +c) less than 3 eV
- -d) zero
- -e) equal to 6 eV

5) The normal distribution (often called a "bell curve") is usually skewed

- -a) True
- +b) False

- +a) 1/8
- -b) 1/32
- -c) 3/32
- -d) 1/16
- -e) 3/16

7) A photon is polarized at 10° when it encounters a filter oriented at 70°. What is the probability that it passes?

- -a) 1
- +b) 1/4
- -c) 3/4
- -d) 1/2
- -e) 0

8) If the hypotenuse of a 45°-45° right triangle has a length of what is the length of each side?

- -a)
- -b)
- -c)
- +d)
- -e)

- -a) 1/2
- -b) 1
- -c) 1/4
- -d) 0
- +e) 5/4
- -f) 3/4

C(♠,♥) = ?

Assume the dots represent five observations.

- -a) +2/5
- -b) 0
- +c) −1/5
- -d) +1/5
- -e) −2/5
- -f) +1

- +a) 3/4
- -b) 0
- -c) 1
- -d) 1/2
- -e) 1/4
- -f) 5/4

- -b) The transfer of energy and momentum of a high energy photon of a nearly free electron.
- -c) A system similar to the one that led to the 1901 proposal that light energy is quantized as integral multiples of hf (except that Plank assumed that the walls were conductive.)
- -d) Evidence presented in 1800 that light is a wave.
- -e) Photons striking metal and ejecting electrons (photo-electric effect explained in 1905)

13) How much do the partners win or lose if Alice answers 4♠ to K♠ while Bob answers 4♥ to A♥?

- -a) lose Q points
- +b) lose 3 points
- -c) win 1 point
- -d) no points awarded or lost

14) Suppose the referee selects neutral scoring with What is the penalty if the probability of asking the same question is 0.25?

- +a)
- -b)
- -c)
- -d)
- -e)

15) A linear polarizer selects a component of the electric field. Also, the energy density of light is proportional to the square of the electric field.A 12 mW laser strikes a polarizing filter oriented 45° to the incoming axis of polarization. How much power is passed by the filter?

- +a) 6mW
- -b) 8mW
- -c) 9mW
- -d) 3mW
- -e) 4mW

16) The light is linearly polarized, the electric field is oriented ________to the direction of motion

- -a) at 45 degrees
- +b) perpendicular
- -c) parallel
- -d) all of these are possible

17) Your solitaire deck uses ♥ ♠ ♣ and your answer cards are 4 and 5. You select 4♠, 4♣, and 5♥. If the questions were Q♠ and Q♣, you would__

- -a) lose 1 point
- -b) win 1 point
- +c) lose 3 points
- -d) be disqualified for cheating
- -e) win 3 points

18) What is the probability of success, p, for a binary distribution using a six-sided die, with success defined as "two"?

- -a) 2/6
- +b) 3/6
- -c) 4/6
- -d) 1/6
- -e) 5/6

19) How would you describe the "skew" of a binary distribution?

- +a) The binary distribution is always skewed, but has little skew for a large number of trials n.
- -b) The binary distribution is never skewed if it is a true binary distribution.
- -c) The binary distribution is always skewed, but has little skew for a small number of trials n.
- -d) None of these are true.
- -e) Distributions are never skewed. Only experimental measurements of them are skewed.

20) If you play the solitaire game 6 times, you will on average lose ___ times.

- -a) 5
- +b) 2
- -c) 6
- -d) 3
- -e) 4