Fermions and Bosons Quiz

What is the force that holds nucleons together?

Which of the following particles is a Fermion?

Which of the following particles is a Meson?

What is the property that is conserved in all particle interactions involving Leptons?

What is the name of the messenger particle responsible for the Electromagnetic Force?

Which of the following reactions is an example of a strong interaction?

What is the property that is conserved in interactions involving the Strong Force?

Which of the following particles has an antiparticle with the same mass and spin but opposite electric charge?

What is the name of the messenger particle responsible for the Gravitational Force?

Which of the following particles is an example of a Baryon?

Fermions and Bosons

Particles with half-integer quantum numbers are fermions, examples include electrons.
Particles with integer quantum numbers are bosons.
Fermions obey the Pauli Exclusion Principle.
Bosons do not obey the Pauli Exclusion Principle.

Hadrons and Leptons

Particles held together by the strong force are hadrons.
Particles affected by the weak force are leptons.
Hadrons include protons, neutrons, and pions.
Leptons include electrons and neutrinos.

Classification of Hadrons

Some hadrons are bosons, known as mesons, examples include pions.
Other hadrons are fermions, known as baryons, examples include protons.

Antiparticles

Every particle has a corresponding antiparticle with the same mass and spin but opposite electric charge.

Particle Interactions

Proton-antiproton reaction is a strong interaction, resulting in 4π⁺ + 4π⁻, and charge is conserved.
Pion decay is a weak interaction, resulting in μ⁺ + ν, and charge is conserved.
Muon decay is a weak interaction, resulting in e⁺ + v + v̅, and charge is conserved.

Conservation Laws

Lepton number is always conserved in all particle interactions.
Strangeness is conserved in interactions involving the strong force.

Messenger Particles

Weak forces are mediated by W and Z messenger particles.
Strong forces are mediated by gluons.
Electromagnetic force is mediated by photons.
Gravitational force is mediated by gravitons.

Identify and understand the characteristics of fermions and bosons, and hadrons and leptons in physics, including their spin, quantum numbers, and forces.