λ2m\frac{\lambda}{2 m}2mλ
h22mλ\frac{h^{2}}{2 m \lambda}2mλh2
h22λ2\frac{h^{2}}{2 \lambda^{2}}2λ2h2
h22mλ2\frac{h^{2}}{2 m \lambda^{2}}2mλ2h2