The wave function $(\Psi)$ of $2 \mathrm{~s}$ is given by $$ \Psi_{2 \mathrm{~s}}=\frac{1}{2 \sqrt{2 \pi}}\left(\frac{1}{a_0}\right)^{1 / 2}\left(2-\frac{r}{a_0}\right) e^{-r / 2 a_0} $$ At $r=r_0$, radial node is formed. Thus, $r_0$ in terms of $a_0$

Question

The wave function $(\Psi)$ of $2 \mathrm{~s}$ is given by

$$ \Psi_{2 \mathrm{~s}}=\frac{1}{2 \sqrt{2 \pi}}\left(\frac{1}{a_0}\right)^{1 / 2}\left(2-\frac{r}{a_0}\right) e^{-r / 2 a_0} $$

At $r=r_0$, radial node is formed. Thus, $r_0$ in terms of $a_0$

$r_0=a_0$

$r_0=4 a_0$

$r_0=2 a_0$

$r_0=\frac{a_0}{2}$

Solution

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