1.

Wavelength of K\(a\) line of X-ray spectra varies with atomic number as(a) λ ∝ Z (b) λ ∝ √Z (c) λ ∝ \(\frac{1}{Z^2}\) (d) λ ∝ \(\frac{1}{\sqrt Z}\)

Answer»

(c) λ ∝ \(\frac{1}{Z^2}\) 

According to moseley’s law, √V = a(Z – b) or V = \(\frac{c}{λ}\) = a2 (Z – b)2

∴ (c) λ ∝ \(\frac{1}{Z^2}\) 



Discussion

No Comment Found