Practical Quantum Physics Quiz
A concise set of questions exploring practical uses of quantum physics in modern devices and research.
Quiz Questions
Answer all questions below and test your knowledge.
- 1
Which milestone first demonstrated that a quantum processor could solve a problem faster than the most powerful classical supercomputer?
- 2
What is the name of the protocol that uses the polarization of single photons to securely exchange encryption keys?
- 3
Which technology employs entangled atoms to achieve magnetic field measurements beyond the standard quantum limit?
- 4
What is the smallest surface-code logical qubit arrangement that can correct a single-error?
- 5
A company sells a handheld device that generates true random numbers using quantum vacuum fluctuations. Which principle does this rely on?
- 6
Which physical phenomenon is primarily used to link distant quantum nodes in a fiber-based quantum network?
- 7
Which company’s commercial quantum processor uses quantum annealing to address optimization problems?
- 8
In optical clocks, what quantum effect allows the transition frequency to be measured with fractional uncertainties below 10⁻¹⁸?
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