MCQ
$K_\alpha$ characteristic $X$-ray refers to the transition
  • $n=2$ to $n=1$
  • B
    $n=3$ to $n=2$
  • C
    $n=3$ to $n=1$
  • D
    $n=4$ to $n=2$

Answer

Correct option: A.
$n=2$ to $n=1$

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