Free interactive chemistry · SIM-QUANT-002
Particle in a box
An electron in a box: only certain standing waves, and so certain energies, are allowed.
Open the interactive simulation →How to use this simulation
- Move the “Box length L” slider.
- Change “Levels shown”.
- Switch to show |ψ|² (probability) instead of ψ.
What to notice
- Energy ∝ n²/L²: a longer box gives closer levels.
- The electron is never found at the walls or at the nodes.
Try this
Make the n = 1 → 2 photon fall in the visible range.
Try it for free →