Find the value of wave number `(overset-v)` in terms of Rydberg's constant, when transition of electron takes place between two levels of `He^(+)` ion whose sum is 4 and difference is 2.

Options

A. `(8R)/(9)`
B. `(32R)/(9)`
C. `(3R)/(4)`
D. none of these

Answer

B