This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
D Finite Well Wavefunction .nm eV.svg graph showing the second energy level wavefunction of finite potential well of depth eV and width nm in total selfmade in Inkscape Inkscape Inductiveload finite square wells
Page 2023 Free-images.com. All images are Public Domain