The ratio of the wavelength of the first line of Lyman series to the first line of Balmer…
Physics · JEE Main · NTA Exams — Atoms and Nuclei
The ratio of the wavelength of the first line of Lyman series to the first line of Balmer series is
- 1 : 4
- 5 : 27
- 27 : 20
- 20 : 27
Answer
(B) 5 : 27
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