A $12.5\;ev$ electron beam is used to bombard gaseous hydrogen at room temperature .What series of wave length will be emitted ?

Question

$\begin{array}{1 1} \text{It gives rise to pas chess series and lyman series } \\ \text{It gives rise to lyman and Bracket series } \\ \text{It gives rise to Balmer and pascher series } \\ \text{It gives rise to Balmer and iyman series } \end{array}$