Gell-Mann discovers quark
  • 1. Who discovered quarks?
A) Murray Gell-Mann
B) Niels Bohr
C) Richard Feynman
D) Erwin Schrödinger
  • 2. Which group of particles did Gell-Mann propose were made up of quarks?
A) Hadrons
B) Leptons
C) Bosons
D) Fermions
  • 3. What are the three types of quarks identified by Gell-Mann initially?
A) Electron, Proton, Neutron
B) Photon, W, Z
C) Red, Blue, Green
D) Up, Down, Strange
  • 4. What is the third 'strangeness' quantum number in particle physics used to classify quarks?
A) Isospin
B) Charm
C) Spin
D) Flavor
  • 5. What is the color charge of a quark?
A) Red, Blue, or Green
B) Yellow
C) Black
D) Positive
  • 6. The down quark has what kind of electric charge?
A) -2/3
B) +1/3
C) +2/3
D) -1/3
  • 7. Quarks are never observed in isolation due to what phenomenon?
A) Decay
B) Confinement
C) Disintegration
D) Annihilation
  • 8. Which experiment provided the evidence for the existence of quarks?
A) Double-slit experiment
B) Davisson-Germer experiment
C) Deep inelastic scattering
D) Photoelectric effect
  • 9. Protons and neutrons are composed of which quarks?
A) Up and down quarks
B) Red and blue quarks
C) Top and bottom quarks
D) Strange and charm quarks
Created with That Quiz — where a math practice test is always one click away.