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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
2 Nov 2021

Given information

Given energy levels,

 

 

Step-by-step explanation

Step 1.

Firstly, calculate the energy of electrons is given energy levels and  .

Calculate the energy difference, 

 

and, For the hydrogen atom, the energy of an electron in an orbital with quantum number n is;

 

 

Further substituting the  values we get, 

 

Energy of the photon must always be positive. So,    

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