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Olympiad workbook

Exam: Olympiad workbook
Subject: NSEP
Chapter: Atomic Physics

Olympiad workbook · NSEP · Atomic Physics

It is observed that some of the spectral lines in hydrogen spectrum...

It is observed that some of the spectral lines in hydrogen spectrum have wavelengths almost equal to those of the spectral lines in

\mathrm{He}^{+}

ion. Out of the following the transitions in

\mathrm{He}^{+}

that will make this possible is

Options

A $n=3$ to $n=1$
B $n=6$ to $n=4$
C $\mathrm{n}=5$ to $\mathrm{n}=3$
D $n=3$ to $n=2$

Correct answer

B. $n=6$ to $n=4$

Step-by-step solution

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