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15 questions
Leptons are __________ particles
Which of these particles are leptons? Tick all that apply
Positrons
Electrons
Protons
Neutrons
Neutrinos
Hadrons are particles made up of ___________
Which of these particles are hadrons?
Pion
Electron
Proton
Neutron
Neutrino
Baryons are made up of _________ quarks/antiquarks
____________ are made up of a quark-antiquark pair
What is the quark composition of a proton?
What is the quark composition of a delta minus particle?
Δ−What is the lepton number of an electron antineutrino?
What is the baryon number of a pi meson (pion)?
π+Which of these numbers can be conserved in an interaction? Tick all that apply
Momentum
Mass-energy
Lepton number
Charge
Quark number
The four fundamental forces are: Gravitational, Weak, Strong and .....
Electric
Nuclear
Boson
Electromagnetic
Which force is present if there is a neutrino involved in an interaction?
Gravitational
Weak
Electromagnetic
Strong
Which force is present if an interaction involves only hadrons?
Gravitational
Weak
Electromagnetic
Strong
What is produced when a particle and antiparticle collide?
electrons
neutrinos
photons
gluons
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