in-class exercise 8

True or False:

Quantum effects are valid for macroscopic particles and macroscopic distances

• True

• False

number of nodes in the wavefunction for the first-excited level in the 1D-PIB is:

• 0

• 1

• 2

• 3

• 2 nm

• 20 nm

• 10 nm

• 1 nm

• 100 nm

What is the average position of the particle in the 1-D PIB model?

• a

• 0

• a/2

• a/3

What is the average linear momentum of the particle in the 1-D PIB model?

• 0

• a/2

• a

• 2mE_n

What is the average linear momentum squared (P²) of the particle in the 1-D PIB model for the first excited state?

• 0

• 2m𝜀

• a/2

• 2m4𝜀

• 2mE₁