Qed by Richard P. Feynman

1. What does QED stand for?

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

2. Who is the author of 'QED'?

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

3. What fundamental force does QED describe?

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

4. Which particle is primarily associated with QED?

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

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

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

6. What is the main implication of QED?

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

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

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

8. What does the Fine-Structure Constant represent?

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

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

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

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