1.

In X-ray spectrum wavelength l of line \[{{K}_{\alpha }}\] depends on atomic number Z as                          [RPMT 1995; DCE 2002]

A. \[\lambda \propto {{Z}^{2}}\]
B. \[\lambda \propto {{(Z-1)}^{2}}\]
C. \[\lambda \propto \frac{1}{(Z-1)}\]
D. \[\lambda \propto \frac{1}{{{(Z-1)}^{2}}}\]
Answer» E.


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