In the Bohr series of lines of the hydrogen s | vedclass

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(D) The red end of the hydrogen spectrum corresponds to the visible region,which is the Balmer series.For the Balmer series,the lower energy level is

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$5 \rightarrow 2$

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(D) The red end of the hydrogen spectrum corresponds to the visible region,which is the Balmer series.For the Balmer series,the lower energy level is $n_1 = 2$.The lines in the Balmer series are transitions from $n_2 = 3, 4, 5, 6, \dots$ to $n_1 = 2$.The first line (closest to the red end) is $3 \rightarrow 2$.The second line is $4 \rightarrow 2$.The third line from the red end is $5 \rightarrow 2$.Therefore,the transition is $5 \rightarrow 2$.

In the Bohr series of lines of the hydrogen spectrum,the third line from the red end corresponds to which one of the following inter-orbit transitions in an atom of hydrogen?

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