Knowledge check

7 minutes

Test your knowledge of the concepts covered in this module. Choose the right response for each question.

What does the concept of superposition in quantum mechanics describe?

The limitation of a quantum system to exist only in one predefined, observable state.

The phenomenon of a quantum system to be in a combination of multiple states at the same time.

The observation of a quantum particle in one definite position at a time.

If a qubit is in the state $|q\rangle = \frac{1}{\sqrt{3}} |0\rangle + \sqrt{\frac{2}{3}} |1\rangle$, what is the probability of measuring the qubit in the state $|0\rangle$?

The probability of measuring the qubit in the state $|0\rangle$ is $\frac{1}{3}$.

The probability of measuring the qubit in the state $|0\rangle$ is $\frac{2}{3}$.

The probability of measuring the qubit in the state $|0\rangle$ is $\frac{1}{\sqrt{3}}$.

You write a Q# program that applies the Hadamard operation to a qubit and then measures it, how can you examine the state of the qubit at different stages?

You print the qubit's state directly to the console.

You use the DumpMachine function after each operation.

You use the Measure function after each operation.

You must answer all questions before checking your work.

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