Ncert Exercises & Solutions

The first four spectral lines in the Lyman series of a H-atom are $λ = 1218 \overset{o}{A}, 1028 \overset{o}{A}, 974.3 \overset{o}{A} and 951.4 \overset{o}{A}$ . If instead of Hydrogen, we consider Deuterium, calculate the shift in the wavelength of these lines.