Quiz-Module1,2

According to Moore’s Law, the number of transistors on a chip doubles approximately every:

• a) 18-24 months

• b) 5 years

• c) 6 months

• d) 1 year

A qubit can be in state |ψ⟩ = α|0⟩ + β|1⟩. What condition must be satisfied?

• a) αβ = 0

• b) α² − β² = 1

• c) α + β = 1

• d) |α|² + |β|² = 1

A matrix U is unitary if:

• a) U × U† = I

• b) U = U†

• c) U × U = 0

• d) U† × U† = 0

The Controlled-Z gate modifies the output when:

• a) Target qubit is |0⟩

• b) Control qubit is |0⟩

• c) Control qubit is |1⟩

• d) Both qubits are |0⟩

What is the output of CNOT(|10⟩)?

• a) |01⟩

• b) |11⟩

• c) |10⟩

• d) |00⟩

If the energy of a particle is reduced to half then the percentage increase in the de-Broglie wavelength is about.

• a) 29%

• b) 100%

• c) 50%

• d) 41%

According to De Broglie hypothesis electron is having wave like behavior and it is confined inside a rigid 1-D box then its energy is proportional to

• a) n^2

• b) n

• c) n−1

• d) n−2

If the momentum of a particle is increased by four times, the new de-Broglie Wave length will be

• a) λ/4

• b) 2λ

• c) 4λ

• d) λ^2

The total probability of finding material particle in given space must be — for wave function to be normalized.

• a) zero

• b) infinity

• c) unity

• d) nothing can be said

which of the following are properties of well behaved wave functions.

• a) Normalized, single valued,finite and noncontinuous in region where defined

• b) Non normalized, single valued,infinite

• c) Normalized, single valued,infinite and continuous in region where defined

• d) Normalized, single valued,finite and continuous in region where defined