Question 1

"Half-integral spin" means spin

Accepted Answer

A) 1/2. 
B) 1/2,1,3/2,2,... 
C) 1/2,3/2,5/2,... 
D) none of the above 
A) 1/2. 
B) 1/2,1,3/2,2,... 
C) 1/2,3/2,5/2,... 
D) none of the above

Question 2

The four fundamental forces in nature are the strong,weak,electromagnetic,and gravitational interactions.

Accepted Answer

A) True 
 B)False

Question 3

According to the standard model of elementary particle physics,there are six flavors of quarks,each of which comes in three colors.

Accepted Answer

A) True 
 B)False

Question 4

​Match each item with the correct statement below.​
-may annihilate upon collision with a particle to produce gamma rays

Accepted Answer

A) ​time dilation 
B) ​elementary particle 
C) ​antiparticle 
D) ​spin 
E) ​fermions
F)​bosons
G)​baryons
H)​leptons
I)​strange particles
J)​quarks
K)​charm
L)​electroweak interaction
M)​GUTs
N)​intermediate bosons
O)​mesons 
A) ​time dilation 
B) ​elementary particle 
C) ​antiparticle 
D) ​spin 
E) ​fermions
F)​bosons
G)​baryons
H)​leptons
I)​strange particles
J)​quarks
K)​charm
L)​electroweak interaction
M)​GUTs
N)​intermediate bosons
O)​mesons

Question 5

Conservation of __________ is observed in strong and electromagnetic interactions,but not in weak interactions.

Accepted Answer

The answer of Conservation of __________ is observed in strong...

Question 6

​Match each item with the correct statement below.​
-subatomic particles not subject to the Pauli exclusion principle

Accepted Answer

A) ​time dilation 
B) ​elementary particle 
C) ​antiparticle 
D) ​spin 
E) ​fermions
F)​bosons
G)​baryons
H)​leptons
I)​strange particles
J)​quarks
K)​charm
L)​electroweak interaction
M)​GUTs
N)​intermediate bosons
O)​mesons 
A) ​time dilation 
B) ​elementary particle 
C) ​antiparticle 
D) ​spin 
E) ​fermions
F)​bosons
G)​baryons
H)​leptons
I)​strange particles
J)​quarks
K)​charm
L)​electroweak interaction
M)​GUTs
N)​intermediate bosons
O)​mesons

Question 7

Since the mass of an object is the same for all observers,it is a relativistically ____________ quantity.

Accepted Answer

The answer of Since the mass of an object is...

Question 8

The rest energy of an electron and its antiparticle,a positron,is 0.511 MeV.In order to produce an electron-positron pair,a gamma ray must have an energy larger than 1.022 MeV because of

Accepted Answer

A) time dilation. 
B) length contraction. 
C) the equivalence of mass and energy. 
D) the principle of relativity. 
E) none of the above. 
A) time dilation. 
B) length contraction. 
C) the equivalence of mass and energy. 
D) the principle of relativity. 
E) none of the above.

Question 9

A particle with an integral spin is a

Accepted Answer

A) boson. 
B) lepton. 
C) fermion. 
D) hadron. 
E) muon. 
A) boson. 
B) lepton. 
C) fermion. 
D) hadron. 
E) muon.

Question 10

Because of their short lifetimes,very few muons that are produced in the upper atmosphere at high speeds should be observed at the surface of the Earth.Yet we detect large numbers of muons at ground level because of the Pauli exclusion principle.

Accepted Answer

A) True 
 B)False

Question 11

​Match each item with the correct statement below.​
-subatomic particles belonging to one of three families that do not participate in the strong interaction

Accepted Answer

A) ​time dilation 
B) ​elementary particle 
C) ​antiparticle 
D) ​spin 
E) ​fermions
F)​bosons
G)​baryons
H)​leptons
I)​strange particles
J)​quarks
K)​charm
L)​electroweak interaction
M)​GUTs
N)​intermediate bosons
O)​mesons 
A) ​time dilation 
B) ​elementary particle 
C) ​antiparticle 
D) ​spin 
E) ​fermions
F)​bosons
G)​baryons
H)​leptons
I)​strange particles
J)​quarks
K)​charm
L)​electroweak interaction
M)​GUTs
N)​intermediate bosons
O)​mesons

Question 12

An elementary particle has a measurable size.

Accepted Answer

A) True 
 B)False

Question 13

The prediction from special relativity that the length of a moving object will be shortened in the direction of motion is

Accepted Answer

A) time dilation. 
B) length contraction. 
C) the equivalence of mass and energy. 
D) the principle of relativity. 
E) none of the above. 
A) time dilation. 
B) length contraction. 
C) the equivalence of mass and energy. 
D) the principle of relativity. 
E) none of the above.

Question 14

Conservation of ____________ is observed in strong and electromagnetic interactions but not in weak interactions.

Accepted Answer

A) baryon number 
B) lepton number 
C) strangeness 
D) charm 
E) beauty 
A) baryon number 
B) lepton number 
C) strangeness 
D) charm 
E) beauty

Question 15

What is the quark structure of an electron?

Accepted Answer

A) uud 
B) udd 
C) uuu 
D) ddd 
E) the question does not make sense 
A) uud 
B) udd 
C) uuu 
D) ddd 
E) the question does not make sense

Question 16

Which of the following are not relativistically invariant quantities?

Accepted Answer

A) the speed of light,c 
B) time 
C) mass 
D) energy 
A) the speed of light,c 
B) time 
C) mass 
D) energy

Question 17

Leptons are the fundamental particles that are the building blocks of hadrons.

Accepted Answer

A) True 
 B)False

Question 18

Bosons are force-carrying particles.

Accepted Answer

A) True 
 B)False

Question 19

​Match each item with the correct statement below.​
-carrier particles for the fundamental forces

Accepted Answer

A) ​time dilation 
B) ​elementary particle 
C) ​antiparticle 
D) ​spin 
E) ​fermions
F)​bosons
G)​baryons
H)​leptons
I)​strange particles
J)​quarks
K)​charm
L)​electroweak interaction
M)​GUTs
N)​intermediate bosons
O)​mesons 
A) ​time dilation 
B) ​elementary particle 
C) ​antiparticle 
D) ​spin 
E) ​fermions
F)​bosons
G)​baryons
H)​leptons
I)​strange particles
J)​quarks
K)​charm
L)​electroweak interaction
M)​GUTs
N)​intermediate bosons
O)​mesons

Question 20

Hadrons are particles that interact via the strong force.

Accepted Answer

A) True 
 B)False

"Half-integral spin" means spin

The four fundamental forces in nature are the strong,weak,electromagnetic,and gravitational interactions.

According to the standard model of elementary particle physics,there are six flavors of quarks,each of which comes in three colors.

Match each item with the correct statement below. -may annihilate upon collision with a particle to produce gamma rays

Conservation of __________ is observed in strong and electromagnetic interactions,but not in weak interactions.

Match each item with the correct statement below. -subatomic particles not subject to the Pauli exclusion principle

Since the mass of an object is the same for all observers,it is a relativistically ____________ quantity.

The rest energy of an electron and its antiparticle,a positron,is 0.511 MeV.In order to produce an electron-positron pair,a gamma ray must have an energy larger than 1.022 MeV because of

A particle with an integral spin is a

Because of their short lifetimes,very few muons that are produced in the upper atmosphere at high speeds should be observed at the surface of the Earth.Yet we detect large numbers of muons at ground level because of the Pauli exclusion principle.

Match each item with the correct statement below. -subatomic particles belonging to one of three families that do not participate in the strong interaction

An elementary particle has a measurable size.

The prediction from special relativity that the length of a moving object will be shortened in the direction of motion is

Conservation of ____________ is observed in strong and electromagnetic interactions but not in weak interactions.

What is the quark structure of an electron?

Which of the following are not relativistically invariant quantities?

Leptons are the fundamental particles that are the building blocks of hadrons.

Bosons are force-carrying particles.

Match each item with the correct statement below. -carrier particles for the fundamental forces

Hadrons are particles that interact via the strong force.

The Study of Motion

Newtons Laws

Energy and Conservation Laws

Physics of Matter

Temperature and Heat

Waves and Sound

Electricity

Electromagnetism and Em Waves

Optics

Atomic Physics

Nuclear Physics

Filters

Exam 12: Special Relativity and Elementary Particles

"Half-integral spin" means spin

The four fundamental forces in nature are the strong,weak,electromagnetic,and gravitational interactions.

According to the standard model of elementary particle physics,there are six flavors of quarks,each of which comes in three colors.

​Match each item with the correct statement below.​ -may annihilate upon collision with a particle to produce gamma rays

Conservation of __________ is observed in strong and electromagnetic interactions,but not in weak interactions.

​Match each item with the correct statement below.​ -subatomic particles not subject to the Pauli exclusion principle

Since the mass of an object is the same for all observers,it is a relativistically ____________ quantity.

The rest energy of an electron and its antiparticle,a positron,is 0.511 MeV.In order to produce an electron-positron pair,a gamma ray must have an energy larger than 1.022 MeV because of

A particle with an integral spin is a

Because of their short lifetimes,very few muons that are produced in the upper atmosphere at high speeds should be observed at the surface of the Earth.Yet we detect large numbers of muons at ground level because of the Pauli exclusion principle.

​Match each item with the correct statement below.​ -subatomic particles belonging to one of three families that do not participate in the strong interaction

An elementary particle has a measurable size.

The prediction from special relativity that the length of a moving object will be shortened in the direction of motion is

Conservation of ____________ is observed in strong and electromagnetic interactions but not in weak interactions.

What is the quark structure of an electron?

Which of the following are not relativistically invariant quantities?

Leptons are the fundamental particles that are the building blocks of hadrons.

Bosons are force-carrying particles.

​Match each item with the correct statement below.​ -carrier particles for the fundamental forces

Hadrons are particles that interact via the strong force.

The Study of Motion

Newtons Laws

Energy and Conservation Laws

Physics of Matter

Temperature and Heat

Waves and Sound

Electricity

Electromagnetism and Em Waves

Optics

Atomic Physics

Nuclear Physics

Filters

Match each item with the correct statement below. -may annihilate upon collision with a particle to produce gamma rays

Match each item with the correct statement below. -subatomic particles not subject to the Pauli exclusion principle

Match each item with the correct statement below. -subatomic particles belonging to one of three families that do not participate in the strong interaction

Match each item with the correct statement below. -carrier particles for the fundamental forces