The difference between the longest wavelength line of the Balmer series and shortest wavelength line of the Lyman series for a hydrogenic atom (atomic number Z) equal to\[\Delta \lambda \]. The value of the Rydberg constant for the given atom is :

\[\frac{5}{31}\frac{1}{\Delta \lambda .{{Z}^{2}}}\]

\[\frac{5}{36}\frac{{{Z}^{2}}}{\Delta \lambda .}\]

\[\frac{31}{5}\frac{1}{\Delta \lambda .{{Z}^{2}}}\]

The difference between the longest wavelength line of the Balmer serie

1.	The difference between the longest wavelength line of the Balmer series and shortest wavelength line of the Lyman series for a hydrogenic atom (atomic number Z) equal to\[\Delta \lambda \]. The value of the Rydberg constant for the given atom is :
A.	\[\frac{5}{31}\frac{1}{\Delta \lambda .{{Z}^{2}}}\]
B.	\[\frac{5}{36}\frac{{{Z}^{2}}}{\Delta \lambda .}\]
C.	\[\frac{31}{5}\frac{1}{\Delta \lambda .{{Z}^{2}}}\]
D.	none of these
Answer» D. none of these