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Unformatted text preview: element of atomic number Z have a frequency approximately given by . For what value of Z would an element emit xrays of wavelength 0.8333 nm? 2 15 ) 1 ( Hz 10 5 . 2 Z f (a) 2; (b) 5; (c) 13; (d) 19; (e) 37 What do you know? The frequency would be c/0.8333 nm = 3 10 8 ms1 /0.8333 109 m=3.60 10 17 Hz. This means so Z=12+1=13. 144 10 5 . 2 / 10 6 . 3 Hz 10 5 . 2 / ) 1 ( 15 17 15 2 f Z...
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 Spring '04
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 Energy, Photon

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