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If `f_(1)=f_(2)` and `f_(3)` are the frequencies of corresponding `K_(alpha), K_(beta)` and `L_(alpha)` X-rays of an element, then :-A. `f_(1)=f_(2)=f_(3)`B. `f_(1)-f_(2)=f_(3)`C. `f_(2)=f_(1)+f_(3)`D. `f_(2)^(2)=f_(1)f_(3)` |
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Answer» Correct Answer - C For `k_(alpha)` emmision `rArr ` transition ` rArr ` L shell to k - shell For `k_(beta)` emission ` rArr ` tranisition `rArr ` M shell to k-shell For `L_(alpha)` emmision `=rArr` transition `rArr` M shell to L-shell `E_(M)-E_(K) = (E_(M)-E_(L)) + (E_(L)-E_(K))` ` rArr hf_(2) = hf_(3)+hf_(1) rArr f_(2) =f_(1)+f_(3)` |
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