The Bohr's postulate of quantisation of angular momentum can be written in a formula as $mvr = nh/(2π)$
where $m$ is mass of electron
$v$ is its velocity
$r$ is the radius of that shell
$h$ is Plank's constant
So, I was wondering that if, I want to find where approximately the thing with $n=2$ exists, or in other words, what is the velocity of electron and radius of its circular path in the second shell, I could rewrite it as
$vr = nh/(2mπ)$ $vr = constant$
So if I was to just increase the radius by a factor of say $z$ and velocity by a factor of $1/z$ it would give me the exact same value for $vr$ every time. Doesn't that mean I could indefinitely increase the radius and keep reducing the velocity and still stay in second shell forever?