Teaching JKPSC Lecturership Mock Test Series 2024-25 Physical Sciences Atomic & Molecular Physics

The wavelength of the first Balmer line of hydrogen is 656 nm. The wavelength of the corresponding line for a hydrogenic atom with Z = 6 and nuclear mass of 19.92 × 10−27 kg is

1
18.2 nm
2
109.3 nm
3
143.5 nm
4
393.6 nm
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