Question 1

Hadrons are particles that interact via the strong force.

Accepted Answer

A) True 
 B)False

Question 2

Electroweak theory results in models for combining the electromagnetic, weak and strong nuclear interactions into a single basic force.

Accepted Answer

A) True 
 B)False

Question 3

A particle with ____________ obeys the Pauli exclusion principle.

Accepted Answer

A)  zero rest mass 
B)  very high energy 
C)  half-integral spin 
D)  integral spin 
E)  charm 
A)  zero rest mass 
B)  very high energy 
C)  half-integral spin 
D)  integral spin 
E)  charm

Question 4

The fundamental particles that are the building blocks of hadrons are

Accepted Answer

A)  leptons. 
B)  baryons. 
C)  mesons. 
D)  intermediate (or gauge) bosons. 
E)  quarks. 
A)  leptons. 
B)  baryons. 
C)  mesons. 
D)  intermediate (or gauge) bosons. 
E)  quarks.

Question 5

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 6

__________ is the collective name given for particles that interact via the strong force.

Accepted Answer

The answer of __________ is the collective name given for...

Question 7

The ______________ interaction alone can change one type of quark into another.

Accepted Answer

The answer of The ______________ interaction alone can change one...

Question 8

All neutrinos are left handed.

Accepted Answer

A) True 
 B)False

Question 9

Quarks have electric charges of magnitude

Accepted Answer

A)  e. 
B)  1/3 e. 
C)  2/3 e. 
D)  0. 
E)  none of the above 
A)  e. 
B)  1/3 e. 
C)  2/3 e. 
D)  0. 
E)  none of the above

Question 10

Because of time dilation, if a twin goes on a trip in a high-speed rocket ship, when she returns home she will be younger than her twin sister who did not go on the trip.

Accepted Answer

A) True 
 B)False

Question 11

How many quark colors are there?

Accepted Answer

A)  1 
B)  3 
C)  6 
D)  none of the above 
A)  1 
B)  3 
C)  6 
D)  none of the above

Question 12

Mesons are composed of

Accepted Answer

A)  antiquarks. 
B)  quark-antiquark pairs. 
C)  quarks. 
D)  three-quark combinations. 
A)  antiquarks. 
B)  quark-antiquark pairs. 
C)  quarks. 
D)  three-quark combinations.

Question 13

Electrons are "spin one-half," photons are

Accepted Answer

A)  also spin one-half. 
B)  spin zero. 
C)  spin one. 
D)  none of the above. 
A)  also spin one-half. 
B)  spin zero. 
C)  spin one. 
D)  none of the above.

Question 14

A model for combining the electromagnetic, weak and strong nuclear interactions into a single basic force is a(n)

Accepted Answer

A)  electroweak theory. 
B)  GUT. 
C)  quark theory. 
D)  generalized theory of relativity. 
E)  theory of strangeness. 
A)  electroweak theory. 
B)  GUT. 
C)  quark theory. 
D)  generalized theory of relativity. 
E)  theory of strangeness.

Question 15

What is different between a particle and its antiparticle?

Accepted Answer

A)  opposite electric charge 
B)  opposite strangeness 
C)  opposite charm 
D)  all of the above 
A)  opposite electric charge 
B)  opposite strangeness 
C)  opposite charm 
D)  all of the above

Question 16

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

Accepted Answer

The answer of The prediction from special relativity that the...

Question 17

The quark structure of the proton is uud.

Accepted Answer

A) True 
 B)False

Question 18

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 19

From the point of view of an observer on the Earth, a muon produced high in the atmosphere can reach the ground before decaying because

Accepted Answer

A)  relativity gives it extra time to get there. 
B)  of the uncertainty principle. 
C)  it is a short distance to the ground. 
D)  relativity shortens the distance to the ground. 
A)  relativity gives it extra time to get there. 
B)  of the uncertainty principle. 
C)  it is a short distance to the ground. 
D)  relativity shortens the distance to the ground.

Question 20

Gluons

Accepted Answer

A)  are carriers of the color force. 
B)  possess color charge. 
C)  can interact with each other via the color force. 
D)  can form glueballs. 
E)  all of the above 
A)  are carriers of the color force. 
B)  possess color charge. 
C)  can interact with each other via the color force. 
D)  can form glueballs. 
E)  all of the above

Hadrons are particles that interact via the strong force.

Electroweak theory results in models for combining the electromagnetic, weak and strong nuclear interactions into a single basic force.

A particle with ____________ obeys the Pauli exclusion principle.

The fundamental particles that are the building blocks of hadrons are

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

__________ is the collective name given for particles that interact via the strong force.

The ______________ interaction alone can change one type of quark into another.

All neutrinos are left handed.

Quarks have electric charges of magnitude

Because of time dilation, if a twin goes on a trip in a high-speed rocket ship, when she returns home she will be younger than her twin sister who did not go on the trip.

How many quark colors are there?

Mesons are composed of

Electrons are "spin one-half," photons are

A model for combining the electromagnetic, weak and strong nuclear interactions into a single basic force is a(n)

What is different between a particle and its antiparticle?

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

The quark structure of the proton is uud.

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

From the point of view of an observer on the Earth, a muon produced high in the atmosphere can reach the ground before decaying because

Gluons

The Study of Motion

Newton S 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

Hadrons are particles that interact via the strong force.

Electroweak theory results in models for combining the electromagnetic, weak and strong nuclear interactions into a single basic force.

A particle with ____________ obeys the Pauli exclusion principle.

The fundamental particles that are the building blocks of hadrons are

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

__________ is the collective name given for particles that interact via the strong force.

The ______________ interaction alone can change one type of quark into another.

All neutrinos are left handed.

Quarks have electric charges of magnitude

Because of time dilation, if a twin goes on a trip in a high-speed rocket ship, when she returns home she will be younger than her twin sister who did not go on the trip.

How many quark colors are there?

Mesons are composed of

Electrons are "spin one-half," photons are

A model for combining the electromagnetic, weak and strong nuclear interactions into a single basic force is a(n)

What is different between a particle and its antiparticle?

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

The quark structure of the proton is uud.

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

From the point of view of an observer on the Earth, a muon produced high in the atmosphere can reach the ground before decaying because

Gluons

The Study of Motion

Newton S 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