Question

what is the maximum possible number of spectral lines observed when the hydrogen atom is in its second excited state?
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Answer 1

When the excited electron of an H atom in n = 6 drops to the ground state, the following transitions are possible:

The number of spectral lines:

2

n(n−1)

where n=6

Hence the total number of spectral line will be:

2

6×5

=15

Answered By=shreyash. ...

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Answer 2

Max number of Spectral lines = 6

Then n = 4 as it is the fourth energy level of hydrogen

If an electron moves from n=6 to 5 we get a spectral line. Then from n=5 to 4 we get one and so on giving us a maximum of 5 spectral lines.

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