Question 1

A quantum number for a quark is

Accepted Answer

A)  strangeness. 
B)  beauty. 
C)  charm. 
D)  truth. 
E)  all of the above. 
A)  strangeness. 
B)  beauty. 
C)  charm. 
D)  truth. 
E)  all of the above. E

Question 2

In interactions taking place by the strong force, which of the following quantities are conserved?

Accepted Answer

A)  electric charge 
B)  baryon number 
C)  mass-energy 
D)  strangeness 
E)  linear momentum
F) angular momentum (spin)
G) None of above 
A)  electric charge 
B)  baryon number 
C)  mass-energy 
D)  strangeness 
E)  linear momentum
F) angular momentum (spin)
G) None of above A,B,C,D,E,F

Question 3

A particle with __________ obeys the Pauli exclusion principle.

Accepted Answer

half-integral spin

Question 4

If a 1-kg mass is completely converted into energy, the amount of energy released would be

Accepted Answer

A)  0.333 J. 
B)  1 J. 
C)  3 × 108 J. 
D)  9 × 1016 J. 
E)  none of the above. 
A)  0.333 J. 
B)  1 J. 
C)  3 × 108 J. 
D)  9 × 1016 J. 
E)  none of the above.

Question 5

If the electron is a lepton, then the antilepton is a(n) __________.

Accepted Answer

The answer of If the electron is a lepton, then...

Question 6

The quark and antiquark in a meson are always of the same flavor.

Accepted Answer

A) True 
 B)False

Question 7

__________ is the prediction of special relativity that moving clocks run slow.

Accepted Answer

The answer of __________ is the prediction of special relativity...

Question 8

Particles possessing half-integral spins are called _________ and particles with integral spins are called ________.

Accepted Answer

A)  quarks 
B)  fermions 
C)  bosons 
D)  antiquarks 
A)  quarks 
B)  fermions 
C)  bosons 
D)  antiquarks

Question 9

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

Accepted Answer

A) True 
 B)False

Question 10

A force-carrying particle is a(n)

Accepted Answer

A)  lepton. 
B)  baryon. 
C)  meson. 
D)  intermediate (or gauge) boson. 
E)  hadron. 
A)  lepton. 
B)  baryon. 
C)  meson. 
D)  intermediate (or gauge) boson. 
E)  hadron.

Question 11

An electron and a positron, which are two massive particles, can annihilate when they come together to produce two photons, which have no mass. According to special relativity, this pair annihilation is an example of __________.

Accepted Answer

the equiva

Question 12

A particle that interacts via the strong force is a(n)

Accepted Answer

A)  lepton. 
B)  baryon. 
C)  meson. 
D)  intermediate (or gauge) boson. 
E)  hadron. 
A)  lepton. 
B)  baryon. 
C)  meson. 
D)  intermediate (or gauge) boson. 
E)  hadron.

Question 13

The quark structure of the neutron is __________.

Accepted Answer

The answer of The quark structure of the neutron is...

Question 14

Indicate the validity of the following decay processes. For any reactions which are not valid (that is, not permitted), give a reason. 
 
(a) Σ0 -> Λ0 + π0 
(b) π − -> μ − + ν μ 
(c) Κ0 -> π0 + π0 + π+

Accepted Answer

not valid because Δ

Question 15

Einstein's famous equation E  = mc2 is a statement 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 16

According to special relativity the __________ of a moving object is equal to   .

Accepted Answer

The answer of According to special relativity the __________ of...

Question 17

Mesons are composed of three-quark combinations.

Accepted Answer

A) True 
 B)False

Question 18

The __________ are force-carrying particles.

Accepted Answer

intermedia

Question 19

The lifetime of a free neutron is 887 s. If a neutron moves with a speed 2.9 × 108 m/s relative to an observer in the lab, what does the observer measure the neutron's lifetime to be?

Accepted Answer

Question 20

Steven Weinberg, Abdus Salam, and Sheldon Glashow shared the 1979 Nobel Prize in physics for their development of GUTs.

Accepted Answer

A) True 
 B)False

A quantum number for a quark is

In interactions taking place by the strong force, which of the following quantities are conserved?

A particle with __________ obeys the Pauli exclusion principle.

If a 1-kg mass is completely converted into energy, the amount of energy released would be

If the electron is a lepton, then the antilepton is a(n) __________.

The quark and antiquark in a meson are always of the same flavor.

__________ is the prediction of special relativity that moving clocks run slow.

Particles possessing half-integral spins are called _ and particles with integral spins are called .

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

A force-carrying particle is a(n)

An electron and a positron, which are two massive particles, can annihilate when they come together to produce two photons, which have no mass. According to special relativity, this pair annihilation is an example of __________.

A particle that interacts via the strong force is a(n)

The quark structure of the neutron is __________.

Indicate the validity of the following decay processes. For any reactions which are not valid (that is, not permitted), give a reason. (a) Σ⁰ -> Λ⁰ + π⁰ (b) π ⁻ -> μ ⁻ + ν _μ (c) Κ⁰ -> π⁰ + π⁰ + π⁺

Einstein's famous equation E = mc² is a statement of

According to special relativity the __________ of a moving object is equal to .

Mesons are composed of three-quark combinations.

The __________ are force-carrying particles.

The lifetime of a free neutron is 887 s. If a neutron moves with a speed 2.9 × 10⁸ m/s relative to an observer in the lab, what does the observer measure the neutron's lifetime to be?

Steven Weinberg, Abdus Salam, and Sheldon Glashow shared the 1979 Nobel Prize in physics for their development of GUTs.

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

A quantum number for a quark is

In interactions taking place by the strong force, which of the following quantities are conserved?

A particle with __________ obeys the Pauli exclusion principle.

If a 1-kg mass is completely converted into energy, the amount of energy released would be

If the electron is a lepton, then the antilepton is a(n) __________.

The quark and antiquark in a meson are always of the same flavor.

__________ is the prediction of special relativity that moving clocks run slow.

Particles possessing half-integral spins are called _________ and particles with integral spins are called ________.

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

A force-carrying particle is a(n)

An electron and a positron, which are two massive particles, can annihilate when they come together to produce two photons, which have no mass. According to special relativity, this pair annihilation is an example of __________.

A particle that interacts via the strong force is a(n)

The quark structure of the neutron is __________.

Indicate the validity of the following decay processes. For any reactions which are not valid (that is, not permitted), give a reason. (a) Σ0 -> Λ0 + π0 (b) π − -> μ − + ν μ (c) Κ0 -> π0 + π0 + π+

Einstein's famous equation E = mc2 is a statement of

According to special relativity the __________ of a moving object is equal to .

Mesons are composed of three-quark combinations.

The __________ are force-carrying particles.

The lifetime of a free neutron is 887 s. If a neutron moves with a speed 2.9 × 108 m/s relative to an observer in the lab, what does the observer measure the neutron's lifetime to be?

Steven Weinberg, Abdus Salam, and Sheldon Glashow shared the 1979 Nobel Prize in physics for their development of GUTs.

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

Particles possessing half-integral spins are called _ and particles with integral spins are called .

Indicate the validity of the following decay processes. For any reactions which are not valid (that is, not permitted), give a reason. (a) Σ⁰ -> Λ⁰ + π⁰ (b) π ⁻ -> μ ⁻ + ν _μ (c) Κ⁰ -> π⁰ + π⁰ + π⁺

Einstein's famous equation E = mc² is a statement of

The lifetime of a free neutron is 887 s. If a neutron moves with a speed 2.9 × 10⁸ m/s relative to an observer in the lab, what does the observer measure the neutron's lifetime to be?