Question

please help with questions 2-4

2) What is the wavelength limit of the continuum radiation produced by an X-ray tube having a Mo target that had electrons bombarding this target at an acceleration voltage of 70 kV 3) Calculate the goniometer setting required to observe 1" order diffraction of the LB line for Uranium that occurs at 0.592 À when the instrument is using a diffraction grating crystal of topaz (d=1.356 A). 4) Explain what effect would adding a halogen to a carbon atom have on the binding energy of that carbon 1s electron?

Answer 1

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Energy e that is produced when an is accelerated vollage of foru is given by E=q. v where q = change rivolt = 1.6 X10-19 x 70x103 ; 11.9 X2015 Enengy related to wavelength is given by Enc . 6.6x10 34x3x108 ll'axio'r :1.77 X10-'m