Rydberg gave the equation for all visible radiation in the hydrogen spectrum as #lambda = (kn^2)/(n^2-4)#. The value of k in terms of Rydberg constant is ? (1) 4R (2) R/4 (3) 4/R (4) R
1 Answer
Mar 13, 2018
Explanation:
The relation of the energy levels and wavelength in visible region is
#1/λ = R[1/4 - 1/n^2]#
#1/λ = R[(n^2 - 4)/(4n^2)]#
#λ = (4n^2)/(R(n^2 - 4)) = 4/R × [n^2/(n^2 - 4)]#
∴
