Formula is: (n2-n1)(n2-n1+1)/2

Where

n2=higher shell from where electron makes transistion

n1=lower energy shell

So answer is (3-2)*(3-2+1)/2

=> 1*2/2

=> 1

Answer: **1**

+1 vote

When electrons jump from 3rd orbit to 2nd orbit, how many field lines can be emitted by the atom?

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