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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