Question 1

The strong force depends upon the electric charge of the particles involved.

Accepted Answer

A) True 
 B)False

Question 2

If you do an experiment on Earth,and then do an identical experiment in a jet plane moving uniformly at a high speed,you get identical results from both experiments.This is an example of __________.

Accepted Answer

The answer of If you do an experiment on Earth,and...

Question 3

The quark structure of the neutron is __________.

Accepted Answer

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

Question 4

A light year is defined as the distance light can travel at 3 × 10⁸ m/s in one year (365 days).How far is one light year in kilometers? Enter your answer accurate to two decimal places in scientific notation.

Accepted Answer

The answer of A light year is defined as the...

Question 5

According to special relativity,at speeds approaching the speed of light,the kinetic energy of a moving object is not equal to 1/2 mv2.

Accepted Answer

A) True 
 B)False

Question 6

Because of the equivalence of energy and mass,a gamma ray,which is a high energy photon,can "disappear," and in its place there will be produced an electron and a positron,which both have mass.

Accepted Answer

A) True 
 B)False

Question 7

What is meant by neutrino oscillations?

Accepted Answer

A) oscillating movement of neutrinos 
B) one neutrino type (e.g. ,muon neutrinos)changing into another (e.g. ,tau neutrinos) 
C) random changes in mass of neutrinos 
D) none of the above

Question 8

A spin 1/2 particle that does not interact via the strong interaction is a(n)

Accepted Answer

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

Question 9

​Match each item with the correct statement below.​
-models for combining the electromagnetic,weak and strong nuclear interactions into a single basic force

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

Question 10

If the average lifetime of a proton was 10³³ years,about how many protons would you have to assemble together and observe simultaneously in order to witness a total of 100 proton decays in one year?

Accepted Answer

The answer of If the average lifetime of a proton...

Question 11

What is the symbol for a photon?

Accepted Answer

A) n 
B)   
C)   
D) none of the above

Question 12

The spins of all known particles are either integral or half-integral multiples of

Accepted Answer

A) the baryon number. 
B) Plank's constant. 
C) the Gravitational constant. 
D) the speed of light.

Question 13

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 answer of An electron and a positron,which are two...

Question 14

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.

Question 15

What's the quark structure of an antiproton?

Accepted Answer

A) ddu 
B) bbt 
C)   
D) none of the above

Question 16

The color force is carried by gluons but gluons do not have color charge themselves.

Accepted Answer

A) True 
 B)False

Question 17

Mesons are composed of

Accepted Answer

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

Question 18

Which of the following is considered anitmatter?

Accepted Answer

A) u 
B) e- 
C) e+ 
D) d

Question 19

​Match each item with the correct statement below.​
-spin 1/2 particles that do not interact via the strong force

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

Question 20

​Match each item with the correct statement below.​
-strongly interacting spin 1/2 or 3/2 particles

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

Exam 12: Special Relativity and Elementary Particles

The strong force depends upon the electric charge of the particles involved.

If you do an experiment on Earth,and then do an identical experiment in a jet plane moving uniformly at a high speed,you get identical results from both experiments.This is an example of __________.

The quark structure of the neutron is __________.

A light year is defined as the distance light can travel at 3 × 10⁸ m/s in one year (365 days).How far is one light year in kilometers? Enter your answer accurate to two decimal places in scientific notation.

According to special relativity,at speeds approaching the speed of light,the kinetic energy of a moving object is not equal to 1/2 mv².

Because of the equivalence of energy and mass,a gamma ray,which is a high energy photon,can "disappear," and in its place there will be produced an electron and a positron,which both have mass.

What is meant by neutrino oscillations?

A spin 1/2 particle that does not interact via the strong interaction is a(n)

Match each item with the correct statement below. -models for combining the electromagnetic,weak and strong nuclear interactions into a single basic force

If the average lifetime of a proton was 10³³ years,about how many protons would you have to assemble together and observe simultaneously in order to witness a total of 100 proton decays in one year?

What is the symbol for a photon?

The spins of all known particles are either integral or half-integral multiples of

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 __________.

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

What's the quark structure of an antiproton?

The color force is carried by gluons but gluons do not have color charge themselves.

Mesons are composed of

Which of the following is considered anitmatter?

Match each item with the correct statement below. -spin 1/2 particles that do not interact via the strong force

Match each item with the correct statement below. -strongly interacting spin 1/2 or 3/2 particles

Exam 12: Special Relativity and Elementary Particles

The strong force depends upon the electric charge of the particles involved.

If you do an experiment on Earth,and then do an identical experiment in a jet plane moving uniformly at a high speed,you get identical results from both experiments.This is an example of __________.

The quark structure of the neutron is __________.

A light year is defined as the distance light can travel at 3 × 108 m/s in one year (365 days).How far is one light year in kilometers? Enter your answer accurate to two decimal places in scientific notation.

According to special relativity,at speeds approaching the speed of light,the kinetic energy of a moving object is not equal to 1/2 mv2.

Because of the equivalence of energy and mass,a gamma ray,which is a high energy photon,can "disappear," and in its place there will be produced an electron and a positron,which both have mass.

What is meant by neutrino oscillations?

A spin 1/2 particle that does not interact via the strong interaction is a(n)

​Match each item with the correct statement below.​ -models for combining the electromagnetic,weak and strong nuclear interactions into a single basic force

If the average lifetime of a proton was 1033 years,about how many protons would you have to assemble together and observe simultaneously in order to witness a total of 100 proton decays in one year?

What is the symbol for a photon?

The spins of all known particles are either integral or half-integral multiples of

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 __________.

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

What's the quark structure of an antiproton?

The color force is carried by gluons but gluons do not have color charge themselves.

Mesons are composed of

Which of the following is considered anitmatter?

​Match each item with the correct statement below.​ -spin 1/2 particles that do not interact via the strong force

​Match each item with the correct statement below.​ -strongly interacting spin 1/2 or 3/2 particles

A light year is defined as the distance light can travel at 3 × 10⁸ m/s in one year (365 days).How far is one light year in kilometers? Enter your answer accurate to two decimal places in scientific notation.

According to special relativity,at speeds approaching the speed of light,the kinetic energy of a moving object is not equal to 1/2 mv².

Match each item with the correct statement below. -models for combining the electromagnetic,weak and strong nuclear interactions into a single basic force

If the average lifetime of a proton was 10³³ years,about how many protons would you have to assemble together and observe simultaneously in order to witness a total of 100 proton decays in one year?

Match each item with the correct statement below. -spin 1/2 particles that do not interact via the strong force

Match each item with the correct statement below. -strongly interacting spin 1/2 or 3/2 particles