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  4. In the hydrogen atom, an electron makes a transition from n =2 to n =1. The magnetic field produced by the circulating electron at the nucleus

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Q. In the hydrogen atom, an electron makes a transition from $n =2$ to $n =1$. The magnetic field produced by the circulating electron at the nucleus

Atoms

Solution:

$\because B=\frac{\mu_0 I}{2 r}$ and $I=\frac{e}{T}$
$B=\frac{\mu_0 e}{2 r T}\left[r \propto n^2, T \propto n^5\right] ; B \propto \frac{1}{n^5}$