What's kind of interesting about your exam question is that it is actually completely classical. If you asked, I prepare a ball  in Box |1>. I open box |0>,  What happens to the ball?  The answer would be obvious.  

Educational programs

QKD - Quantum Key Distribution Summer School

USEQIP - Undergraduate School on Experimental Quantum Information Processing

QCSYS - Quantum Cryptography School for Young Students

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