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Which quantum number describes the orientation of an orbital?
A. Magnetic Quantum Number
B. Principal Quantum Number
C. Azimuthal Quantum Number
D. Spin Quantum Number
Answer: Magnetic Quantum Number
Subjects: Modern Physics, Physics
The ‘De Broglie Hypothesis’ states that:
A. Every moving particle or object has an associated wave
B. Photons have no mass
C. Electrons orbit the nucleus in fixed paths
D. Atoms emit radiation in discrete quanta
Answer: Every moving particle or object has an associated wave
Subjects: Modern Physics, Physics
Which of the following describes a quantum system’s ‘ground state’?
A. The lowest energy state of the system
B. The highest energy state of the system
C. An excited state of the system
D. A state with zero energy
Answer: The lowest energy state of the system
Subjects: Modern Physics, Physics
The ‘Stern-Gerlach Experiment’ demonstrated the quantization of:
A. Angular momentum
B. Energy levels
C. Photon wavelength
D. Electric charge
Answer: Angular momentum
Subjects: Modern Physics, Physics
The ‘Heisenberg Uncertainty Principle’ is fundamental in determining the:
A. Limits of precision in measuring physical properties
B. Exact path of a particle
C. Speed of light
D. Energy of a particle
Answer: Limits of precision in measuring physical properties
Subjects: Modern Physics, Physics
The ‘Dirac Sea’ concept is associated with:
A. The existence of negative energy states
B. Quantum tunneling
C. Wave-particle duality
D. Photon energy
Answer: The existence of negative energy states
Subjects: Modern Physics, Physics
In Quantum Mechanics, the ‘Probability Density Function’ describes:
A. The likelihood of finding a particle in a particular region of space
B. The exact position of a particle
C. The energy of a particle
D. The speed of a particle
Answer: The likelihood of finding a particle in a particular region of space
Subjects: Modern Physics, Physics
The ‘Pauli Exclusion Principle’ applies to which type of quantum particles?
A. Fermions
B. Bosons
C. Photons
D. All of the above
Answer: Fermions
Subjects: Modern Physics, Physics
The ‘Einstein’s Theory of General Relativity’ addresses:
A. The curvature of spacetime caused by gravity
B. Quantum superposition
C. Particle-wave duality
D. Electromagnetic interactions
Answer: The curvature of spacetime caused by gravity
Subjects: Modern Physics, Physics