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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 ∝ \(\frac{1}{\sqrt Z}\) |
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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 ∝ \(\frac{1}{Z^2}\) |
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