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Question

(C) In the context of $X$-ray emission,the $K$-series corresponds to transitions where the final state is the $K$-shell $(n = 1)$.$K_\alpha$ $X$-rays

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$n = 3$ to $n = 1$

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(C) In the context of $X$-ray emission,the $K$-series corresponds to transitions where the final state is the $K$-shell $(n = 1)$.$K_\alpha$ $X$-rays are produced by transitions from the $L$-shell $(n = 2)$ to the $K$-shell $(n = 1)$.$K_\beta$ $X$-rays are produced by transitions from the $M$-shell $(n = 3)$ to the $K$-shell $(n = 1)$.Therefore,the transition for $K_\beta$ $X$-rays is from $n = 3$ to $n = 1$.

The electron transition required for the emission of characteristic $K_\beta$ $X$-rays is:

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