Atomic StructureHard

Question

If an electron in H-atom jumps from one orbit to other, its angular momentum doubles. The distance of electron from nucleus becomes ____ times the initial distance.

Options

A.2
B.4
C.1/2
D.1/4

Solution

$n_{2} = 2 \times n_{1} \therefore\frac{r_{2}}{r_{1}} = \frac{n_{2}^{2}}{n_{1}^{2}} = \frac{4}{1}$

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