First slide
X-rays
Question

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

Moderate
Solution

According to the energy diagram of X-ray spectra

 ΔE=hcλλ1ΔE So,  Eβ=Eα+Eα or  1λβ=1λα+1λα

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