For electron in 1st excited state of H the energy range for range 2 is 1.9eV-3.4eV
Why are photons emitted?
The excited state of an atom is typically not the most stable state. There is a chance that an electron will drop spontaneously from one excited state to one with a lower (more negative) energy level. An electron releases the extra energy, which is positive, when it moves from one level to another by emitting a photon
What are the three groups for first excited state of hydrogen where the photon interacts with hydrogen?
The various groups are
1)Range 1: 0eV to 1.8eV
2)Range 2: 1.9eV to 2.4eV
3)Range 2:>3.5eV
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