What is the minimum energy that must be given to a H- atom in ground state so that it can emit an $H_{\gamma}$ in Balmer series? If the angular momentum of the system is conserved what would be the angular momentum of such $H_{\gamma}$ proton ?

Question

$\begin{array}{1 1} 3.18 \times 10^{34} kg m^2 s^{-1} \\ 3.18 \times 10^{-34} kg m^2 s^{-1}\\ 3.18 \times 10^{34} g m^2 s^{-1} \\ 3.18 \times 10^{-34} g m^2 s^{-1} \end{array}$