A beam of `13.0 eV` electrons is used to bombard gaseous hydrogen. The series obtained in emission spectra is // are

A 12.5 eV electron beam is used to bombard gaseous hydrogen at room temperature. How many spectral lines will be emitted and to which series do they belong?

A 12.5 eV electron beam is used to bombard gaseous hydrogen at room temperature. What series of wavelengths will be emitted?

A 12.5 eV electron beam is used to bombard gaseous hydrogen at room temperature. What series of wavelength will be emitted ?

A 12.5 eV electron beam is used to bombard gaseous hydrogen at room temperature. What series of wavelengths will be emitted?