Modern Physics 1 Question 13
10. If the series limit frequency of the Lyman series is $V _L$, then the series limit frequency of the Pfund series is
(2018 Main)
(a) $v _L / 25$
(b) $16 v _L$
(c) $\frac{V _L}{16}$
(d) $\frac{v _L}{20}$
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Solution:
10.2=13.6 \times 2^{2} \frac{1}{1^{2}}-\frac{1}{n^{2}} \Rightarrow n=1 $$
Thus, no transition takes place.
Similarly, when in $n=2$ state,
$$
