University-level Overview of Quantum Physics
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Questions and Answers

What is quantum physics also known as?

  • Relativistic mechanics
  • Quantum mechanics (correct)
  • Classical mechanics
  • Atomic physics
  • Who proposed that energy is quantized in discrete packets or 'quanta' when explaining blackbody radiation?

  • Max Planck (correct)
  • Niels Bohr
  • Werner Heisenberg
  • Albert Einstein
  • Which scientist extended Max Planck's ideas by explaining the photoelectric effect?

  • Niels Bohr
  • Albert Einstein (correct)
  • Max Planck
  • Werner Heisenberg
  • What did Albert Einstein introduce when explaining the photoelectric effect?

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

    In which century did quantum physics emerge as a response to the limitations of classical physics?

    <p>20th century (D)</p> Signup and view all the answers

    What does quantum physics deal with?

    <p>Behavior of matter and energy at smallest scales (A)</p> Signup and view all the answers

    Who proposed the idea that particles like electrons exhibit both particle and wave-like behavior?

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

    What does the uncertainty principle proposed by Werner Heisenberg state?

    <p>It's impossible to simultaneously know with absolute precision both the position and momentum of a particle. (C)</p> Signup and view all the answers

    What is the central equation in quantum mechanics?

    <p>$iar{h} rac{ ext{ ext{d} ext{Ψ}}{ ext{ ext{d}t}} = ext{ ext{H}} ext{Ψ}$ (D)</p> Signup and view all the answers

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

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

    Which principle states that energy levels in quantum systems are discrete, unlike the continuous energy levels in classical physics?

    <p>Quantization of Energy (C)</p> Signup and view all the answers

    What did Erwin Schrödinger formulate that describes the probability distribution of particles, giving rise to quantum mechanics as we know it today?

    <p>Wave function (C)</p> Signup and view all the answers

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

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

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

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

    What does the square of the wave function, $| ext{ ext{Ψ}}|^2$, give in quantum mechanics?

    <p>Probability density of finding a particle in a particular state (C)</p> Signup and view all the answers

    What did quantum physics lead to the development of, which offers unbreakable encryption methods based on the principles of quantum entanglement?

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

    What concept arises 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 (C)</p> Signup and view all the answers

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