An Electron Is in a One-Dimensional Trap with Zero Potential

question 21

Multiple Choice

An electron is in a one-dimensional trap with zero potential energy in the interior and infinite potential energy at the walls. A graph of its probability density P(x) versus x is shown. The value of the quantum number n is:

• A) 0
• B) 1
• C) 2
• D) 3
• E) 4