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Let λα, λβ and λα' denote the wavelengths of the X-rays of the Kα, Kβ and Lα lines in the characteristic X-rays for a metal.

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Let λα, λβ and λα' denote the wavelengths of the X-rays of the Kα, Kβ and Lα lines in the characteristic X-rays for a metal.

(a) λα' > λα > λβ

(b) λα > λβ > λα

(c) 1/λβ = 1/λα + 1/λα

(d) 1/λα + 1/λβ = 1/λα

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1 Answer

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Correct Answer is: (a) λ'α > λα > λβ, (c) 1/λβ = 1/λα + 1/λα

Also, (EK - EM) > (EK - EL) > (EL - EM)

or hc/λβ > hc/λα > hc/λ'α .

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