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