Particle Physics Quiz

What is the antiparticle of an electron?

• Photon

• Positron

• Neutron

• Proton

Which of the following particles is a lepton?

• Pion

• Proton

• Neutron

• Electron

What is the quark composition of a proton?

• uud

• udd

• uubar

• ddu

Which force is responsible for holding the nucleus together?

• Electromagnetic

• Strong Nuclear

• Weak Nuclear

• Gravitational

What is the exchange particle for the electromagnetic force?

• Gluon

• Photon

• W Boson

• Z Boson

Which of the following is a meson?

• Neutron

• Electron

• Kaon

• Proton

What is the charge of a down quark?

• 0 e

• +1 e

• -1/3 e

• +2/3 e

Which conservation law is NOT always conserved in weak interactions?

• Lepton number

• Charge

• Strangeness

• Baryon number

What is pair production?

• the creation of a particle-antiparticle pair from a photon

• the creation of a photon from a particle-antiparticle collision

• the annihilation of a particle-antiparticle pair into a photon.

• the process of converting energy into mass without any particles involved.