The Schrodinger wave equation for hydrogen atom is : Ψ(r)=1/16 root4–√(1a0)3/2 [(σ2−1)(σ^2−8σ+12)]e^−σ/2 where a0 and z are the constant in which answer can be expressed and σ 2zr/a0 minimum and maximum position of radial nodes from nucleus are ……. respectively.