2 The wavelength of the first line of the He ion spectral

Last updated: 6/30/2023

2 The wavelength of the first line of the He ion spectral series whose interval between the extreme lines is 2 725 x 106 m is R 1 09 107 m a 471 82 nm c 1019 37 nm b 4718 2 nm d 165 14 nm