Quantum Well — Energy Levels
Calculate energy levels and visualize wave functions
Parameters
Energy Diagram
Wave Function ψ(x)
Self-Assessment
Q1. In an infinite quantum well, the width L doubles. What happens to E₁?
A
Doubles
B
Decreases 4×
C
Unchanged
D
Halves
Q2. Which parameters determine the energy levels of a quantum well?
A
Well width only
B
Particle mass only
C
Well width, particle mass, and quantum number
D
Quantum number only
Q3. The energy difference between n=1 and n=2 states is how many times E₁?
A
3E₁
B
2E₁
C
E₁
D
4E₁