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