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If the wavelength of the emitted charact...

If the wavelength of the emitted characterstics `X`-ray from a silver `(Z=47)` target when electron drops from `M`-shell to a vacancy in the `L`-shell is `1.4k A^(@)`. Then find the value of `k`. [Screening constant for `L_(alpha)=7.4`.]

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To solve the problem, we need to find the value of \( k \) given the wavelength of the emitted characteristic X-ray when an electron drops from the M-shell to a vacancy in the L-shell of a silver target. The wavelength is given as \( 1.4k \) angstroms, and the screening constant for the L-alpha transition is \( 7.4 \). ### Step-by-Step Solution: 1. **Identify the Given Data:** - Atomic number of silver, \( Z = 47 \) - Wavelength of emitted X-ray, \( \lambda = 1.4k \) angstroms - Screening constant for L-alpha transition, \( S = 7.4 \) ...
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