Wavelength and the energy levels in the Balmer are related by:
Rydberg constant, R = 1.097 × 107 m-1
λ = 400 nm(10-9m/1nm) =400 × 10-9 m
What is the smallest value of n for which the wavelength of a Balmer series line is smaller than 400 nm, which is the lower limit for wavelengths in the visible spectrum?
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