Piyush Kumar Behera
Last Activity: 5 Years ago
The answer of the given question is C. its atomic number.
Moseley law sates that the square root of the frequency of the X ray is diretly proportional to the atomic number of the atom to which X ray corresponds.
Moseley law also made possible of the measurement of the atomic number and aso proved the existence of positive charged particles in atomic nucleus.
Hope it helps!!
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Piyush Kumar Behera
IIT Dhanbad