Practical Quantum Physics Quiz

A concise set of questions exploring practical uses of quantum physics in modern devices and research.

quantum algorithmsquantum computingquantum cryptographyquantum communicationquantum materialsquantum sensingtechnology applicationsquantum optics
Difficulty:MEDIUM

Quiz Details

Questions8
CategoryQuantum Physics
DifficultyMEDIUM
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Quiz Questions

Answer all questions below and test your knowledge.

  1. 1

    Which milestone first demonstrated that a quantum processor could solve a problem faster than the most powerful classical supercomputer?

    Question 1
  2. 2

    What is the name of the protocol that uses the polarization of single photons to securely exchange encryption keys?

    Question 2
  3. 3

    Which technology employs entangled atoms to achieve magnetic field measurements beyond the standard quantum limit?

    Question 3
  4. 4

    What is the smallest surface-code logical qubit arrangement that can correct a single-error?

    Question 4
  5. 5

    A company sells a handheld device that generates true random numbers using quantum vacuum fluctuations. Which principle does this rely on?

    Question 5
  6. 6

    Which physical phenomenon is primarily used to link distant quantum nodes in a fiber-based quantum network?

    Question 6
  7. 7

    Which company’s commercial quantum processor uses quantum annealing to address optimization problems?

    Question 7
  8. 8

    In optical clocks, what quantum effect allows the transition frequency to be measured with fractional uncertainties below 10⁻¹⁸?

    Question 8

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