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In quantum mechanics, what does the term ‘wave function’ refer to?
A. The mathematical description of the quantum state of a system
B. The actual physical wave emitted by a particle
C. The probability of a particle's position
D. The energy of a particle
Answer: The mathematical description of the quantum state of a system
Subjects: Modern Physics, Physics
Which theory explains the interaction between charged particles using the concept of photon exchange?
A. Quantum Electrodynamics (QED)
B. Quantum Chromodynamics (QCD)
C. Theory of Relativity
D. General Relativity
Answer: Quantum Electrodynamics (QED)
Subjects: Modern Physics, Physics
What does the Heisenberg Uncertainty Principle apply to?
A. Position and Momentum
B. Energy and Time
C. Charge and Mass
D. Velocity and Acceleration
Answer: Position and Momentum
Subjects: Modern Physics, Physics
In quantum mechanics, what is the term used for the energy levels in an atom?
A. Quantized Energy Levels
B. Continuous Energy Levels
C. Discrete Energy Levels
D. Variable Energy Levels
Answer: Quantized Energy Levels
Subjects: Modern Physics, Physics
Which quantum number describes the shape of an electron’s orbital?
A. Azimuthal Quantum Number
B. Principal Quantum Number
C. Magnetic Quantum Number
D. Spin Quantum Number
Answer: Azimuthal Quantum Number
Subjects: Modern Physics, Physics
The principle stating that the exact position and momentum of a particle cannot be measured simultaneously is known as:
A. Heisenberg Uncertainty Principle
B. Pauli Exclusion Principle
C. Bohr's Principle
D. Planck's Principle
Answer: Heisenberg Uncertainty Principle
Subjects: Modern Physics, Physics
What does the Schrödinger equation describe in quantum mechanics?
A. The time evolution of a quantum system
B. The exact position of a particle
C. The interaction between particles
D. The total energy of a system
Answer: The time evolution of a quantum system
Subjects: Modern Physics, Physics
In Quantum Electrodynamics (QED), the force between charged particles is mediated by:
Which experiment is known for demonstrating the wave nature of electrons?
A. Davisson-Germer Experiment
B. Young's Double-Slit Experiment
C. Photoelectric Effect Experiment
D. Millikan Oil Drop Experiment
Answer: Davisson-Germer Experiment
Subjects: Modern Physics, Physics