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Q. The minimum wavelength of X-rays produced in a Coolidge tube is 0.05 nm. Find the operating voltage of the Coolidge tube.
λmin = 12400 A0 / V = 0.5 X 10 -10 m
Therefore V = 12400 A0 / λmin
= 12400 A0 /(1/2)Ao = 24800 volt
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