Question

In a hydrogen atom if energy of an electron in groundstateis 13.6 ev then the energy in the near excited state is​

Answer 1

2nd exited state means 3rd energy level or n= 3

E=13.6z

2

/n

2

So Energy is inversly varies to n

2

For H atom, Z is 1

So, E

3

=

3

2

13.6

eV

E

3

=

9

13.6

eV

=1.51 eV

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