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Modern Physics with Specialized Online Physics Exams
Elevate your understanding of Modern Physics through targeted online physics exams designed to optimize your study efforts. These resources delve into basic physics concepts while exploring advanced topics like quantum mechanics, relativity, and atomic structure. Practice tests and MCQ answers help you master both fundamental and complex ideas. Focusing on force and motion MDCAT MCQs and related practice questions will significantly enhance your understanding of modern physics principles.
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The ‘De Broglie wavelength’ of a particle is related to:
A. The momentum of the particle
B. The charge of the particle
C. The energy of the particle
D. The position of the particle
Answer: The momentum of the particle
The ‘Dirac Equation’ describes particles with:
A. Relativistic speeds
B. Non-relativistic speeds
C. Quantum entanglement
D. Wave-particle duality
Answer: Relativistic speeds
The ‘Bohr radius’ is the distance between the nucleus and the electron in the ground state of:
A. Hydrogen Atom
B. Helium Atom
C. Neon Atom
D. Carbon Atom
Answer: Hydrogen Atom
Which fundamental interaction is described by Quantum Chromodynamics (QCD)?
A. Strong Interaction
B. Electromagnetic Interaction
C. Weak Interaction
D. Gravitational Interaction
Answer: Strong Interaction
In quantum mechanics, the term ‘quantum state’ refers to:
A. A complete description of the properties of a quantum system
B. The location of a particle
C. The speed of a particle
D. The energy of a particle
Answer: A complete description of the properties of a quantum system
The ‘Pauli Exclusion Principle’ applies to which type of particles?
A. Fermions
B. Bosons
C. Photons
D. Gravitons
Answer: Fermions
Which theory describes the interaction of particles in terms of exchanging virtual particles?
A. Quantum Field Theory
B. Classical Electrodynamics
C. General Relativity
D. Special Relativity
Answer: Quantum Field Theory
Which of the following equations is used to calculate the energy levels of an electron in a hydrogen atom?
A. Bohr's Model Equation
B. Schrödinger's Equation
C. Heisenberg's Equation
D. Dirac's Equation
Answer: Bohr's Model Equation
The concept of ‘quantum entanglement’ implies that:
A. Particles become interconnected such that the state of one instantly influences the state of another, regardless of distance
B. Particles can only influence each other when they are close
C. Particles cannot be entangled
D. None of the above
Answer: Particles become interconnected such that the state of one instantly influences the state of another, regardless of distance