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CUET
Physics
Atoms
In the Bohr's hydrogen atom model, the radius of the stationary orbit is directly proportional to (n = principle quantum number)
$n^{-1}$
n
$n^{-2}$
$n^2$
Bohr radius $r=\frac{\varepsilon_0 n^2 h^2}{\pi Z m e^2} ;~~∴ r \propto n^2$