Question 1

The Dirac theory predicted that a positron would be

Accepted Answer

A) a negative electron in a negative energy state. 
B) a particle with same mass as an electron but with opposite charge. 
C) a particle with negative mass. 
D) All of the above. 
A) a negative electron in a negative energy state. 
B) a particle with same mass as an electron but with opposite charge. 
C) a particle with negative mass. 
D) All of the above.

Question 2

A plasma can be contained in a "magnetic bottle" because it has which of the following properties?

Accepted Answer

A) high temperature 
B) liquid in form 
C) made of charged particles 
D) made of light elements 
A) high temperature 
B) liquid in form 
C) made of charged particles 
D) made of light elements

Question 3

In order to be useful in sustaining a reaction,the neutrons in a fission reactor must be

Accepted Answer

A) released from the reactor. 
B) warmed to a higher temperature. 
C) accelerated. 
D) decelerated. 
A) released from the reactor. 
B) warmed to a higher temperature. 
C) accelerated. 
D) decelerated.

Question 4

In a nuclear fusion reactor,the Lawson criterion prescribes the necessary conditions,as related to density and confinement time of the plasma fuel,in order that the process produces a net power output.If the fuel density were doubled,by what factor would the required confinement time change?

Accepted Answer

A) 0.25 
B) 0.50 
C) 1.4 
D) 2.0 
A) 0.25 
B) 0.50 
C) 1.4 
D) 2.0

Question 5

Which of these particles has the most mass?

Accepted Answer

A) pion 
B) muon 
C) electron 
D) positron 
A) pion 
B) muon 
C) electron 
D) positron

Question 6

How fast is an ion of deuterium moving,assuming rms speed,if it is in a plasma with a temperature of 190 × 106 K? (kB = 1.38 × 10-23 J/K and mD​ = 2 × 1.66 × 10-27 kg)

Accepted Answer

A) 1.54E+6 m/s 
B) 1.54E+4 m/s 
C) 2.37E+12 m/s 
D) 8.89E+5 m/s 
E) ​2.80E+6 m/s 
A) 1.54E+6 m/s 
B) 1.54E+4 m/s 
C) 2.37E+12 m/s 
D) 8.89E+5 m/s 
E) ​2.80E+6 m/s

Question 7

The average mass per nucleon is greatest in which of the following elements?

Accepted Answer

A) hydrogen 
B) iron 
C) uranium 
D) krypton 
A) hydrogen 
B) iron 
C) uranium 
D) krypton

Question 8

A negative muon decays to form an electron and a mu neutrino and one additional particle.The other particle must be a(n)

Accepted Answer

A) positron. 
B) antineutrino. 
C) neutrino. 
D) photon. 
A) positron. 
B) antineutrino. 
C) neutrino. 
D) photon.

Question 9

If a negative muon decays to form an electron-antineutrino pair and one other particle,the other particle may be a(n)

Accepted Answer

A) positron. 
B) antineutrino. 
C) mu neutrino. 
D) electron. 
A) positron. 
B) antineutrino. 
C) mu neutrino. 
D) electron.

Question 10

The weak force is mediated by

Accepted Answer

A) the W+ boson. 
B) the W- boson. 
C) the Z0 boson. 
D) All of the above. 
A) the W+ boson. 
B) the W- boson. 
C) the Z0 boson. 
D) All of the above.

The Dirac theory predicted that a positron would be

A plasma can be contained in a "magnetic bottle" because it has which of the following properties?

In order to be useful in sustaining a reaction,the neutrons in a fission reactor must be

In a nuclear fusion reactor,the Lawson criterion prescribes the necessary conditions,as related to density and confinement time of the plasma fuel,in order that the process produces a net power output.If the fuel density were doubled,by what factor would the required confinement time change?

Which of these particles has the most mass?

How fast is an ion of deuterium moving,assuming rms speed,if it is in a plasma with a temperature of 190 × 10⁶ K? (k_B = 1.38 × 10^-23 J/K and m_D = 2 × 1.66 × 10^-27 kg)

The average mass per nucleon is greatest in which of the following elements?

A negative muon decays to form an electron and a mu neutrino and one additional particle.The other particle must be a(n)

If a negative muon decays to form an electron-antineutrino pair and one other particle,the other particle may be a(n)

The weak force is mediated by

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Newtons Laws of Motion

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The Laws of Thermodynamics

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Exam 30: Nuclear Energy and Elementary Particles

The Dirac theory predicted that a positron would be

A plasma can be contained in a "magnetic bottle" because it has which of the following properties?

In order to be useful in sustaining a reaction,the neutrons in a fission reactor must be

In a nuclear fusion reactor,the Lawson criterion prescribes the necessary conditions,as related to density and confinement time of the plasma fuel,in order that the process produces a net power output.If the fuel density were doubled,by what factor would the required confinement time change?

Which of these particles has the most mass?

How fast is an ion of deuterium moving,assuming rms speed,if it is in a plasma with a temperature of 190 × 106 K? (kB = 1.38 × 10-23 J/K and mD​ = 2 × 1.66 × 10-27 kg)

The average mass per nucleon is greatest in which of the following elements?

A negative muon decays to form an electron and a mu neutrino and one additional particle.The other particle must be a(n)

If a negative muon decays to form an electron-antineutrino pair and one other particle,the other particle may be a(n)

The weak force is mediated by

Units, Trigonometry, and Vectors

Motion in One Dimension

Motion in Two Dimensions

Newtons Laws of Motion

Energy

Momentum, Impulse, and Collisions

Rotational Motion and Gravitation

Rotational Equilibrium and Dynamics

Fluids and Solids

Thermal Physics

Energy in Thermal Processes

The Laws of Thermodynamics

Vibrations and Waves

Sound

Electric Forces and Fields

Electrical Energy and Capacitance

Current and Resistance

Direct-Current Circuits

Magnetism

Induced Voltages and Inductance

Alternating-Current Circuits and Electromagnetic Waves

Reflection and Refraction of Light

Mirrors and Lenses

Wave Optics

Optical Instruments

Relativity

Quantum Physics

Atomic Physics

Nuclear Physics

Filters

How fast is an ion of deuterium moving,assuming rms speed,if it is in a plasma with a temperature of 190 × 10⁶ K? (k_B = 1.38 × 10^-23 J/K and m_D = 2 × 1.66 × 10^-27 kg)