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Characteristic X-rays of frequency 4.2x...

Characteristic X-rays of frequency `4.2xx10^18` Hz are produced when transitions from L-shell to K-shell take place in a cartain target meterial. Use Mosley's law to determine the atoic number of the target matderial. Given Rydberg constant `R =1.1xx10^7 m^(-1)`.

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Characteristic X-rays of frequency 4.2xx10^18 Hz are produced when transitions from L-shell to K-shell take place in a certain target material. Use Mosley's law to determine the atomic number of the target material. Given Rydberg constant R =1.1xx10^7 m^(-1) .

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