Question:
For \( K_\alpha \) line, \( \lambda \propto \frac{1}{(Z - 1)^2} \). Given ratio, find atomic number.
For \( K_\alpha \) line, \( \lambda \propto \frac{1}{(Z - 1)^2} \). Given ratio, find atomic number.
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For \(K_\alpha\): use \((Z-1)^2\) dependence.
Updated On: Apr 23, 2026
- 6
- 11
- 44
- 4
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The Correct Option is A
Solution and Explanation
Concept:
\[
\lambda \propto \frac{1}{(Z-1)^2}
\]
Step 1: Ratio
\[ \frac{\lambda_1}{\lambda_2} = \frac{11}{4} = \frac{(Z_2-1)^2}{(Z_1-1)^2} \]
Step 2: Solve
Trial gives: \[ Z = 6 \] Conclusion: \(6\)
Step 1: Ratio
\[ \frac{\lambda_1}{\lambda_2} = \frac{11}{4} = \frac{(Z_2-1)^2}{(Z_1-1)^2} \]
Step 2: Solve
Trial gives: \[ Z = 6 \] Conclusion: \(6\)
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