Question

Mosley's law relates the frequencies of line X-rays

with the following characteristics of the target element.

• A. Its density
• B. Its atomic weight
• C. Its atomic number
• D. Interplaner spacing of the atomic planes

Answer 1

Answer: (C)

Its atomic number

Answer 2

$\nu \propto (Z - b)^{2} \Rightarrow \nu = a(Z - b)^{2}$

Z = atomic number of element (a, b are constant).