Question 1

LHC stands for

Accepted Answer

A)  Lorentz Heavy Centrifuge. 
B)  Level Height Charges. 
C)  Laser Hertz Catalyzer. 
D)  Large Hadron Collider. 
E)  None of these choices are correct. 
A)  Lorentz Heavy Centrifuge. 
B)  Level Height Charges. 
C)  Laser Hertz Catalyzer. 
D)  Large Hadron Collider. 
E)  None of these choices are correct. D

Question 2

SLAC is an abbreviation for a

Accepted Answer

A)  linear accelerator. 
B)  synchrotron. 
C)  storage lane. 
D)  machine at Fermilab. 
E)  machine at CERN. 
A)  linear accelerator. 
B)  synchrotron. 
C)  storage lane. 
D)  machine at Fermilab. 
E)  machine at CERN. A

Question 3

Which of the fundamental interactions governs the following decay? $\pi ^ { 0 } \rightarrow \gamma + \gamma$

Accepted Answer

A)  Weak nuclear 
B)  Electromagnetic 
C)  Gravitational 
D)  Strong nuclear 
A)  Weak nuclear 
B)  Electromagnetic 
C)  Gravitational 
D)  Strong nuclear B

Question 4

The neutron decays into a proton,electron,and an electron antineutrino.Into what does the antineutron decay?

Accepted Answer

A)  a proton,positron,and electron antineutrino 
B)  an antiproton,positron,and electron neutrino 
C)  a proton,electron,and electron antineutrino 
D)  an antiproton,electron,and electron neutrino 
E)  an antiproton,electron,and electron antineutrino 
A)  a proton,positron,and electron antineutrino 
B)  an antiproton,positron,and electron neutrino 
C)  a proton,electron,and electron antineutrino 
D)  an antiproton,electron,and electron neutrino 
E)  an antiproton,electron,and electron antineutrino

Question 5

The neutrino does not

Accepted Answer

A)  have electric charge. 
B)  interact with other particles. 
C)  have momentum. 
D)  have energy. 
E)  have a rest mass. 
A)  have electric charge. 
B)  interact with other particles. 
C)  have momentum. 
D)  have energy. 
E)  have a rest mass.

Question 6

The antineutron has a quark structure _________.

Accepted Answer

A)  uud 
B)  udd 
C)  u$\overline{u}$d 
D)  $ \overline{u}~ \overline{d}~ \overline{d} $ 
E)  ${ u } \bar { d } d$ 
A)  uud 
B)  udd 
C)  u$\overline{u}$d 
D)  $ \overline{u}~ \overline{d}~ \overline{d} $ 
E)  ${ u } \bar { d } d$

Question 7

That matter is composed of quarks was first proposed by

Accepted Answer

A)  Blatt and Weiskopf. 
B)  Gell-Mann and Zweig. 
C)  Rutherford and Geiger. 
D)  Bardeen and Cooper. 
E)  Feynman and Schwinger. 
A)  Blatt and Weiskopf. 
B)  Gell-Mann and Zweig. 
C)  Rutherford and Geiger. 
D)  Bardeen and Cooper. 
E)  Feynman and Schwinger.

Question 8

The quark structure of the neutron is ______.

Accepted Answer

A)  uub 
B)  udb 
C)  udd 
D)  uds 
E)  u$\overline{u}$d 
A)  uub 
B)  udb 
C)  udd 
D)  uds 
E)  u$\overline{u}$d

Question 9

A bound quark-antiquark pair is a ________ while a bound quark triplet is a ________.

Accepted Answer

A)  beta particle; proton 
B)  neutron; meson 
C)  meson; baryon 
D)  baryon; meson 
E)  neutrino; antineutrino 
A)  beta particle; proton 
B)  neutron; meson 
C)  meson; baryon 
D)  baryon; meson 
E)  neutrino; antineutrino

Question 10

A Muon is

Accepted Answer

A)  a Baryon. 
B)  a Lepton. 
C)  a Hadron. 
D)  a Proton. 
A)  a Baryon. 
B)  a Lepton. 
C)  a Hadron. 
D)  a Proton.

Question 11

When a strange hadron decays into particles that are not strange,it is a manifestation of the

Accepted Answer

A)  electromagnetic interaction. 
B)  strong interaction. 
C)  weak interaction. 
D)  gravitational interaction. 
A)  electromagnetic interaction. 
B)  strong interaction. 
C)  weak interaction. 
D)  gravitational interaction.

Question 12

Ordinary matter is made from what generation quarks?

Accepted Answer

A)  1st 
B)  2nd 
C)  3rd 
D)  1st and 2nd 
E)  1st,2nd,and 3rd 
A)  1st 
B)  2nd 
C)  3rd 
D)  1st and 2nd 
E)  1st,2nd,and 3rd

Question 13

Which of the following particles is considered not elementary?

Accepted Answer

A)  the electron 
B)  the electron antineutrino 
C)  the neutron 
D)  the muon 
E)  the tau 
A)  the electron 
B)  the electron antineutrino 
C)  the neutron 
D)  the muon 
E)  the tau

Question 14

Gluons can emit

Accepted Answer

A)  electrons. 
B)  protons. 
C)  gravitons. 
D)  baryons. 
E)  gluons. 
A)  electrons. 
B)  protons. 
C)  gravitons. 
D)  baryons. 
E)  gluons.

Question 15

Ordinary matter contains only the following quarks.

Accepted Answer

A)  Strange 
B)  Bottom 
C)  Down 
D)  Charm 
A)  Strange 
B)  Bottom 
C)  Down 
D)  Charm

Question 16

Which of the following particles interact via the strong interaction?

Accepted Answer

A)  gravitons 
B)  quarks 
C)  leptons 
D)  neutrinos 
A)  gravitons 
B)  quarks 
C)  leptons 
D)  neutrinos

Question 17

The meson having which of the following quark contents is electrically neutral?

Accepted Answer

A)  $s\overline {  c }$ 
B)  $a \bar { u }$ 
C)  $\mathcal { u  }\bar { a }$ 
D)  $b \bar { c }$ 
E)  $c \bar { u }$ 
A)  $s\overline {  c }$ 
B)  $a \bar { u }$ 
C)  $\mathcal { u  }\bar { a }$ 
D)  $b \bar { c }$ 
E)  $c \bar { u }$

Question 18

Isolated quarks were first observed in

Accepted Answer

A)  1938. 
B)  1955. 
C)  1976. 
D)  2001. 
E)  Isolated quarks have not been observed. 
A)  1938. 
B)  1955. 
C)  1976. 
D)  2001. 
E)  Isolated quarks have not been observed.

Question 19

Arrange the strong (S),electromagnetic (EM),weak (W),and gravitational (G) forces from weakest to strongest.

Accepted Answer

A)  W,G,EM,S 
B)  W,G,S,EM 
C)  G,W,S,EM 
D)  G,W,EM,S 
E)  W,S,G,EM 
A)  W,G,EM,S 
B)  W,G,S,EM 
C)  G,W,S,EM 
D)  G,W,EM,S 
E)  W,S,G,EM

Question 20

An electron and a positron,each having kinetic energy 1.843 GeV, annihilate, producing a proton and antiproton pair ( M = 938.3 MeV/c2 ). What is the kinetic energy of the antiproton produced in this way?

Accepted Answer

A)  0.938 GeV 
B)  0.905 GeV 
C)  1.586 GeV 
D)  1.843 GeV 
A)  0.938 GeV 
B)  0.905 GeV 
C)  1.586 GeV 
D)  1.843 GeV

Exam 30: Particle Physics

LHC stands for

SLAC is an abbreviation for a

Which of the fundamental interactions governs the following decay? π0→γ+γ\pi ^ { 0 } \rightarrow \gamma + \gammaπ0→γ+γ

The neutron decays into a proton,electron,and an electron antineutrino.Into what does the antineutron decay?

The neutrino does not

The antineutron has a quark structure _________.

That matter is composed of quarks was first proposed by

The quark structure of the neutron is ______.

A bound quark-antiquark pair is a ________ while a bound quark triplet is a ________.

A Muon is

When a strange hadron decays into particles that are not strange,it is a manifestation of the

Ordinary matter is made from what generation quarks?

Which of the following particles is considered not elementary?

Gluons can emit

Ordinary matter contains only the following quarks.

Which of the following particles interact via the strong interaction?

The meson having which of the following quark contents is electrically neutral?

Isolated quarks were first observed in

Arrange the strong (S),electromagnetic (EM),weak (W),and gravitational (G) forces from weakest to strongest.

An electron and a positron,each having kinetic energy 1.843 GeV, annihilate, producing a proton and antiproton pair ( M = 938.3 MeV/c2 ). What is the kinetic energy of the antiproton produced in this way?

Introduction

Force

Acceleration and Newtons Second Law of Motion

Motion With Constant Acceleration

Circular Motion

Conservation of Energy

Linear Momentum

Torque and Angular Momentum

Fluids

Elasticity and Oscillations

Waves

Sound

Temperature and the Ideal Gas

Heat

Thermodynamics

Electric Forces and Fields

Electric Potential

Electric Current and Circuits

Magnetic Forces and Fields

Electromagnetic Induction

Alternating Current

Electromagnetic Waves

Reflection and Refraction of Light

Optical Instruments

Interference and Diffraction

Relativity

Early Quantum Physics and the Photon

Quantum Physics

Nuclear Physics

Filters

Which of the fundamental interactions governs the following decay? $\pi ^ { 0 } \rightarrow \gamma + \gamma$

A bound quark-antiquark pair is a while a bound quark triplet is a .

An electron and a positron,each having kinetic energy 1.843 GeV, annihilate, producing a proton and antiproton pair ( M = 938.3 MeV/c² ). What is the kinetic energy of the antiproton produced in this way?