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