Quiz  /  Quantum Mechanics Quiz

  • 1. 
    That radiation and matter have properties both of particles and of waves is called what?

  • Entanglement
  • Confusion
  • Wave-particle duality
  • Mixing

  • 2. 
    Max Planck’s great discovery was that radiation energy is emitted in packets that he called what?

  • Photons
  • Gamma rays
  • Quanta
  • Wave functions

  • 3. 
    When two particles are entangled and it is observed that one has its spin up, how long does it take for the other’s spin to be down?

  • 1 microsecond
  • However long it takes light to travel between them
  • Instantaneously
  • 1 nanosecond

  • 4. 
    In the Heisenberg uncertainty principle, which two measurable properties of a particle cannot be observed precisely at the same time?

  • Energy and torque
  • Size and speed
  • Spin and color
  • Position and momentum

  • 5. 
    Niels Bohr used quantum mechanics to describe which element?

  • Carbon
  • Helium
  • Zinc
  • Hydrogen

  • 6. 
    The square of a particle’s wave function describes the probability of what about the particle?

  • That it is at a particular place
  • That it will disappear
  • That it will decay
  • That it has a specific spin

  • 7. 
    The Dirac equation shows that every particle has what?

  • A matrix
  • An antiparticle
  • A wave function
  • A duality

  • 8. 
    In quantum mechanics, the angular momentum of a particle is called what?

  • Spin
  • Rotation
  • Orbital
  • Swirl

  • 9. 
    What was the first antiparticle to be discovered?

  • Antiproton
  • Positron
  • X-ray
  • Antineutrino

  • 10. 
    Which of these is not one of the four basic forces?

  • Momentum
  • Strong nuclear force
  • Gravity
  • Electromagnetism
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