A) \[\lambda \,\alpha \,\frac{1}{{{Z}^{2}}}\]
B) \[\lambda \,\alpha \,{{Z}^{2}}\]
C) \[\lambda \times Z\]
D) \[1\,\alpha \frac{1}{V}\]
Correct Answer: A
Solution :
From Moseley's law \[\sqrt{v}\propto (Z-\sigma )\] \[v\propto {{(Z-\sigma )}^{2}}\] \[\lambda \propto \frac{1}{v}\] \[\therefore \] \[\lambda \propto \frac{1}{{{(Z-\sigma )}^{2}}}\] \[\lambda \propto \frac{1}{{{Z}^{2}}}\]
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