Select the correct answer from each of the following questions: What electronic transition in \...

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Select the correct answer from each of the following questions:

What electronic transition in \( \mathrm{Li}^{2+} \) produces the radiation of the same wavelength as the first line in the Lyman series of hydrogen?
(A) \( n=4 \) to \( n=2 \)
(B) \( n=9 \) to \( n=6 \)
(C) \( n=9 \) to \( n=3 \)
(D) \( n=6 \) to \( n=3 \).
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