In Moseley's equation,

PHYSICS · Subjective · CBSE · Physics · Atoms · Atoms

Problem

\sqrt{f}=a(Z-b)

a

and

b

are constants. Find their values using the following data.

Element	$Z$	Wavelength of $K_\alpha$ X-rays
Mo	42	$0.71\,\text{\AA}$
Co	27	$1.785\,\text{\AA}$