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If the frequencies of \( K_{\alpha}, K_{\beta} \), and \( L_{\alpha} \) x rays for a material \( v_{K_{a}}, v_{K_{p}}, v_{L_{a}} \), respectively, then
(A) \( v_{K_{\alpha}}=v_{K_{\beta}}+v_{L_{\alpha}} \)
(B) \( v_{L_{a}}=V_{K_{a}}+V_{K_{\beta}} \)
(C) \( V_{K_{\beta}}=V_{K_{\alpha}}+V_{L_{u}} \)
(D) None of these
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