Practicing Success
Practicing Success
CUET Preparation Today
When hydrogen atom is in its first excited level, its radius is .... its ground state radius |
Half Same Twice Four times |
Four times |
$r \propto n^2$. For ground state n = 1 and for first excited state n = 2. $\frac{r_2}{r_1} = \frac{2^2}{1^2} = 4$ $\Rightarrow r_2 = 4 r_1$ |
