Question

Write down wavefunction for state n=1
l=0 m=0

Answer 1

The wave function for the state e n=1 l=0 m=0 is

$\psi_{100}=\frac{1}{\sqrt \pi}(\frac{1}{a_0})^{2/3}e^{-\frac{r}{a_0}}$

Here $a_0$ is the Bohr radius.