The shortest wavelength spectral line in the brackett series of the spectrum of atomic hydrogen is the transition :

Options

A. ` n _ 2 = oo to n _ 1 = 1 `
B. ` n _ 2 = 8 to n _ 1 = 4 `
C. ` n _ 2 = oo to n _1 = 4 `
D. ` n _ 2 = 4 to n _ 1 = 3 `

Answer

C

Explanation

More the energy difference, shorter will be the wavelength. Thus `n = oo to n = 4` will be shortest wavelength line in brackett series