Find the atomic no of the target atom

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Reference no: EM13147445

X-rays are incident on a target metal atom having 30 neutrons. The ratio of atomic radius of the target atom and 2He4 is (4)^(1/3).
1) Find the atomic no of the target atom.2) Find the frequency of Kalpha line emitted by this metal.
R=1.1X10^7 /m ; c = 3x10^8 m/s 

Reference no: EM13147445

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