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Qed by Richard P. Feynman
Contributed by: Lea
  • 1. What does QED stand for?
A) Quantum Electrostatics
B) Quantum Elastic Dynamics
C) Quantum Energy Dynamics
D) Quantum Electrodynamics
  • 2. Who is the author of 'QED'?
A) Albert Einstein
B) Niels Bohr
C) Max Planck
D) Richard P. Feynman
  • 3. What fundamental force does QED describe?
A) Gravitational force
B) Nuclear force
C) Weak force
D) Electromagnetic force
  • 4. What are the implications of 'spontaneous emission' discussed in QED?
A) Particles cannot emit energy spontaneously
B) Photons are always absorbed
C) Atoms gain energy from the environment
D) Atoms can lose energy by emitting photons
  • 5. What is the main implication of QED?
A) Electromagnetic interactions are quantized
B) Gravity can be ignored in quantum contexts
C) Matter is continuous
D) Particles do not interact
  • 6. What does the exchange of virtual photons represent in QED?
A) Speed of light
B) Force between charged particles
C) Mass of particles
D) Energy levels of electrons
  • 7. Which particle is primarily associated with QED?
A) Quark
B) Neutrino
C) Photon
D) Electron
  • 8. What does the Fine-Structure Constant represent?
A) Strength of electromagnetic interaction
B) Mass of the electron
C) Charge of the proton
D) Speed of light in a vacuum
  • 9. In QED, how are interactions between charged particles represented?
A) Lagrange multipliers
B) Symmetry transformations
C) Feynman diagrams
D) Wave functions
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