Calculate the frequency, energy, and wavelength of the Ka x ray for the element cobalt (Co, Z=27).

Question

Robert · Accepted Answer

Given z=27 
The formula for K _(alpha) line is  
Frequency=(3/4)Rc(Z-1)^2 
Frequncy  =(3/4)x(1.097x10^7x3x10^8x(27-1)^2 
=1.67x10^18Hz 
Energy E=h(frequency) 
=(6.62x10^(-34)x1.67x10^18)/(1.6x10^-19))eV 
E=6.91keV 
Wavelength=c/frequency 
Wavelength=((3x10^8)/(1.67x10^18) 
Wavelength=1.

Calculate the frequency, energy, and wavelength of the Ka x ray for the element cobalt (Co, Z=27).

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