Qed by Richard P. Feynman

1. What does QED stand for?

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

2. Who is the author of 'QED'?

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

3. What fundamental force does QED describe?

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

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

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

5. What is the main implication of QED?

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

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

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

7. Which particle is primarily associated with QED?

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

8. What does the Fine-Structure Constant represent?

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

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

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

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