question_answer

For the production of characteristic \[{{K}_{\gamma }},\]X-ray, the electron transition is                                                [BHU 2002]

A)            \[n=2\,\,\,to\,\,\,n=1\]   

B)            \[n=3\,\,\,to\,\,n=2\]

C)            \[n=3\,\,\,to\,\,n=1\]      

D)            \[n=4\,\,\,to\,\,n=1\]