The \( \mathrm{K}_{\alpha} \) X-rays emission line of tungsten occurs at \( \lambda=0.021 \....

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Question The \( \mathrm{K}_{\alpha} \) X-rays emission line of tungsten occurs at \( \lambda=0.021 \mathrm{~nm} \). What is the energy difference between \( \mathrm{K} \) and \( \mathrm{L} \) levels in this atom?
(A)  \( 69 \mathrm{keV} \)
(B) \( 5.9 \mathrm{keV} \)
(C) \( 59 \mathrm{keV} \)
(D) \( 49 \mathrm{keV} \)📲PW App Link - https://bit.ly/YTAI_PWAP 🌐PW Website - https://www.pw.live




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