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Let $λ_{α}, λ_{β} and λ_{α}^{'}$ denote the wavelengths of the X-rays of the $K_{α}, K_{β} and L_{α}$ in the characteristic X-rays for a metal

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λα>λα′>λβ

λα′>λβ>λα

1λβ=1λα+1λα′

1λα+1λβ=1λα′

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detailed solution

Correct option is C

According to the energy diagram of X-ray spectra∵ ΔE=hcλ⇒λ∝1ΔE So, Eβ=Eα+Eα′ or 1λβ=1λα+1λα′

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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

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Let $λ_{α}, λ_{β} and λ_{α}^{'}$ denote the wavelengths of the X-rays of the $K_{α}, K_{β} and L_{α}$ in the characteristic X-rays for a metal