Qed by Richard P. Feynman

1. What does QED stand for?

A) Quantum Electrodynamics
B) Quantum Energy Dynamics
C) Quantum Electrostatics
D) Quantum Elastic Dynamics

2. Who is the author of 'QED'?

A) Richard P. Feynman
B) Albert Einstein
C) Niels Bohr
D) Max Planck

3. What fundamental force does QED describe?

A) Electromagnetic force
B) Weak force
C) Gravitational force
D) Nuclear force

4. What are the implications of 'spontaneous emission' discussed in QED?

A) Particles cannot emit energy spontaneously
B) Atoms gain energy from the environment
C) Photons are always absorbed
D) Atoms can lose energy by emitting photons

5. What is the main implication of QED?

A) Matter is continuous
B) Gravity can be ignored in quantum contexts
C) Electromagnetic interactions are quantized
D) Particles do not interact

6. What does the exchange of virtual photons represent in QED?

A) Energy levels of electrons
B) Force between charged particles
C) Mass of particles
D) Speed of light

7. Which particle is primarily associated with QED?

A) Photon
B) Electron
C) Neutrino
D) Quark

8. What does the Fine-Structure Constant represent?

A) Mass of the electron
B) Charge of the proton
C) Strength of electromagnetic interaction
D) Speed of light in a vacuum

9. In QED, how are interactions between charged particles represented?

A) Symmetry transformations
B) Lagrange multipliers
C) Wave functions
D) Feynman diagrams

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