Calculate the Rydberg constant `R` if `He^(+)` ions are known to have the wavelength
Channel: Doubtnut
Date: 2020-08-23

Calculate the Rydberg constant `R` if `He^(+)` ions are known to have the wavelength difference between the first (of the longest wavelength) lines of the Balmer and Lyman series equal to `Delta lambda = 133.7nm`.