Qed by Richard P. Feynman

1. What does QED stand for?

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

2. Who is the author of 'QED'?

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

3. What fundamental force does QED describe?

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

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

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

5. What is the main implication of QED?

A) Gravity can be ignored in quantum contexts
B) Electromagnetic interactions are quantized
C) Particles do not interact
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) Energy levels of electrons
D) Speed of light

7. Which particle is primarily associated with QED?

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

8. What does the Fine-Structure Constant represent?

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

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

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

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