An excited atom decays to it's ground state and emits a proton of green light if instead the atom decays to an intermediate state what could the light emitted be?

Answer 1

If an atom that emits a green proton when it decays to its ground state decays to an intermediate state instead it will emit a proton that is yellow/orange/red. The reason is that it will be a lower energy proton emitted and lower energy waves correspond to longer wavelengths like the ones that make up these colors.

Answer 2

Light of a longer wavelength than green light, like, for example, red light assuming the initial state is the same in both cases.

Answer 3

When an atom decays to its ground state, it emits a photon of green light. When an atom decays to an intermediate state, the light emitted is red.

Answer 4

Red