Advanced physics

As a result at a collision. the electron in a hvdrogen atom is raised to the second excited state. {a} What is the energy {in elf} and wavelength [in nm} of the emitted photon ifthe electron makes a direct transition to the ground state? [4} {hi What are the energies [in elf] and wavelengths {in run] of the two emitted photons if the electron first makes a transition to the rst excited state and only;r then makes a transition to the ground statei'I iii} FII'I