Quick Quantum: Episode 1 Quiz

What is an example of a quantum system?

If we had a quantum die in a superposition of 5 and 6, which of the following is true?

The die is quickly rotating between 5 and 6, faster than we can see

The die is on both 5 and 6 at the same time

The die is on either 5 or 6, we have to measure it to find out which

None of the above – superposition is something totally different

Why is coherence important for quantum technology?

Most quantum technology relies on keeping a quantum system in superposition

Particles lose their charge when they experience decoherence

Quantum information changes as temperature changes

Systems in coherence have more electrons

All of the above

What does it mean for a superposition to be a weighted combination of states?

The superposition has more mass

When the system is measured, some states come up more often than others

The normal combination of states in the system has decohered

The electron in an atom has combined energy levels

All of the above

How is a qubit different from a classical bit?

A qubit uses quantum teleportation to store information

A qubit has more energy to store information in

A qubit uses superposition to store information

A qubit has more volume to store information in

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