University-level Overview of Quantum Physics
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Questions and Answers

What is quantum physics also known as?

  • Astrophysics
  • Quantum mechanics (correct)
  • Classical physics
  • Relativistic physics

Who proposed that energy is quantized in discrete packets or 'quanta' when explaining blackbody radiation?

  • Niels Bohr
  • Werner Heisenberg
  • Albert Einstein
  • Max Planck (correct)

What did Albert Einstein introduce when explaining the photoelectric effect?

  • Neutrons
  • Quarks
  • Photons (correct)
  • Protons

What did quantum physics aim to explain in the early 20th century?

<p>Phenomena at the atomic and subatomic levels (C)</p> Signup and view all the answers

In which branch of physics did quantum mechanics revolutionize our understanding of the physical world?

<p>Classical physics (A)</p> Signup and view all the answers

What scale does quantum physics deal with?

<p>Smallest scales of the universe (B)</p> Signup and view all the answers

Who developed a quantum model of the hydrogen atom where electrons occupy specific energy levels or orbits?

<p>Niels Bohr (C)</p> Signup and view all the answers

Which physicist proposed the wave-particle duality, suggesting that particles like electrons exhibit both particle and wave-like behavior?

<p>Louis de Broglie (C)</p> Signup and view all the answers

What fundamental principle of quantum physics states that it's impossible to simultaneously know with absolute precision both the position and momentum of a particle?

<p>Uncertainty Principle (C)</p> Signup and view all the answers

Which mathematical equation describes the probability distribution of particles in quantum mechanics?

<p>$i\hbar \frac{\partial \Psi}{\partial t} = \hat{H} \Psi$ (B)</p> Signup and view all the answers

Which practical application of quantum physics leverages quantum bits (qubits) to perform certain computations exponentially faster than classical computers?

<p>Quantum Computing (A)</p> Signup and view all the answers

What is the term for when two or more particles become correlated in such a way that the properties of one are instantaneously related to the properties of the other(s), even when separated by vast distances?

<p>Entanglement (B)</p> Signup and view all the answers

Which physicist formulated a wave equation giving rise to quantum mechanics as we know it today?

<p>Erwin Schrödinger (B)</p> Signup and view all the answers

What principle states that quantum systems can exist in multiple states simultaneously?

<p>Superposition (B)</p> Signup and view all the answers

What is described mathematically using wave functions, operators, and the Schrödinger equation?

<p>Quantum Mechanics (C)</p> Signup and view all the answers

What type of encryption method does quantum key distribution offer based on the principles of quantum entanglement?

<p>Unbreakable encryption methods (D)</p> Signup and view all the answers

What does the reduced Planck constant symbolize in the time-dependent Schrödinger equation?

<p>Frequency of the wave function (C)</p> Signup and view all the answers

What has quantum materials research led to the development of?

<p>Superconductors (D)</p> Signup and view all the answers

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