Iconic Quantum Experiments Quiz

A rigorous assessment of pivotal laboratory tests that reshaped our understanding of the microscopic world.

double-slitMach-ZehnderQuantum eraserQuantum ZenoDelayed-choiceCasimirStern-GerlachBellEPRphotoelectric
Difficulty:HARD

Quiz Details

Questions10
CategoryQuantum Physics
DifficultyHARD
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Quiz Questions

Answer all questions below and test your knowledge.

  1. 1

    Which observation in the electron double‑slit demonstration directly contradicted the notion of electrons as classical particles?

    Question 1
  2. 2

    In the classic photoelectric experiment, what determines the minimum light frequency required to liberate electrons from a metal surface?

    Question 2
  3. 3

    The Stern‑Gerlach apparatus famously measured which intrinsic property of silver atoms?

    Question 3
  4. 4

    The Einstein‑Podolsky‑Rosen argument was intended to demonstrate a deficiency in quantum theory concerning what?

    Question 4
  5. 5

    When Bell’s inequality was experimentally violated, which conclusion was supported?

    Question 5
  6. 6

    The Casimir effect manifests as a measurable force arising from what phenomenon?

    Question 6
  7. 7

    In Wheeler’s delayed‑choice experiment, what appears to be altered by the decision made after the photon has entered the interferometer?

    Question 7
  8. 8

    The quantum Zeno effect predicts that frequent observation of a decaying system will cause what outcome?

    Question 8
  9. 9

    In a quantum eraser setup, erasing which information restores an interference pattern that had disappeared?

    Question 9
  10. 10

    A single‑photon Mach‑Zehnder interferometer produces interference depending critically on the relative phase introduced by which component?

    Question 10

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