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Modern Physics with Specialized Online Physics Exams
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The ‘double-slit experiment’ demonstrates the:
A. Wave-particle duality of light
B. Particle nature of electrons
C. Quantum tunneling effect
D. Compton effect
Answer: Wave-particle duality of light
The ‘Compton Effect’ demonstrates the:
A. Particle nature of photons
B. Wave nature of electrons
C. Interference of light
D. Diffraction of electrons
Answer: Particle nature of photons
Which equation describes the time evolution of a quantum system?
A. Schrödinger's Equation
B. Heisenberg's Equation
C. Dirac's Equation
D. Bohr's Equation
Answer: Schrödinger's Equation
Which quantum mechanical concept describes the probability of finding an electron in a given region of space?
A. Wave Function
B. Energy Level
C. Orbital
D. Quantum State
Answer: Wave Function
The ‘quantum number’ that determines the size of an electron’s orbital is the:
A. Principal Quantum Number
B. Azimuthal Quantum Number
C. Magnetic Quantum Number
D. Spin Quantum Number
Answer: Principal Quantum Number
Which principle states that no two identical fermions can occupy the same quantum state within a quantum system?
A. Pauli Exclusion Principle
B. Heisenberg Uncertainty Principle
C. Bohr's Principle
D. Planck's Principle
Answer: Pauli Exclusion Principle
The ‘Planck Constant’ is a fundamental quantity in which field?
A. Quantum Mechanics
B. Classical Mechanics
C. Electromagnetism
D. Relativity
Answer: Quantum Mechanics
The ‘Heisenberg Uncertainty Principle’ implies that:
A. There is a fundamental limit to the precision with which certain pairs of physical properties can be known
B. Energy and time can be measured precisely simultaneously
C. Position and energy of a particle can be known exactly
D. Momentum and position can be measured simultaneously with no limit
Answer: There is a fundamental limit to the precision with which certain pairs of physical properties can be known
The ‘Schrödinger Cat’ thought experiment illustrates:
A. The concept of quantum superposition
B. The concept of quantum entanglement
C. The photoelectric effect
D. The uncertainty principle
Answer: The concept of quantum superposition