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(a) From Eq. what is the ratio of the ph...

(a) From Eq. what is the ratio of the photon energies due to `K_(alpha)` transitions in two atoms whose atomic numbers and Z and Z? (b) What is this ratio for uranium and aluminum? (c ) For uranium and lithium?

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(a) 57.5, (b) `2.07xx10^(3)`
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