Energy levels and radiations-Animation

Electrons in a hydrogen atom must be in one of the allowed energy levels.
If an electron is in the first energy level, it
must have exactly -13.6 eV of energy. If it is in the second energy level,
it must have -3.4 eV of energy. An electron in a hydrogen atom cannot
have -9 eV, -8 eV or any other value in between.

Let's say the electron wants to jump from the first