The variation of wavelength `lambda` of the `K_(alpha)` line with atomic number `Z` of the target is shown by the following curve of

Options

A. `A`
B. `B`
C. `C`
D. None of these

Answer

C

Explanation

For `K_(alpha)` line `v prop (Z - 1)^(1) rArr lambda prop (1)/((Z - 1)^(2))`