Let `F_1` be the frequency of second line of Lyman series and `F_2` be the frequency of first line of Balmer series then frequency of first line of Lyman series is given by

Options

A. `F_(1)-F_(2)`
B. `F_(1)+F_(2)`
C. `F_(2)-F_(1)`
D. `(F_(1)F_(2))/(F_(1)+F_(2))`

Answer

A