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