Emission spectrum is the phenomenon provides evidence that the hydrogen atom has discrete energy levels.
Emission spectrum is the spectrum of the different energy levels. The occurrence of emission spectrum gives proof that the hydrogen atom has distinct energy levels.
Emission spectrum is the phenomenon provides evidence that the hydrogen atom has discrete energy levels
Hence, the phenomenon is known as emission spectrum.
To learn more about the emission spectrum refer;
https://brainly.com/question/13537021
#SPJ2