Question

What would be the minimum energy Emin required to excite a hydrogen atom from its lowest energy level

Answer 1

The minimum energy required to excite a hydrogen atom from its lowest energy level is 10.2 eV.

What is excitation?

The term excitation has to do with the promotion of an electron from a lower to a higher energy level.

In this case, we are dealing with the hydrogen atom having only one electron. Thus, the minimum energy required to excite a hydrogen atom from its lowest energy level is 10.2 eV.

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