Answer to Question #85016 in Physics for akash singh

Question

At what potential difference must an X-ray tube operate to produce X-rays with a
minimum wavelength of 2A. °

Answer 1

From the conservation of energy:

eU=hc/λ

U=hc/eλ=(1239.841984 eV∙nm)/(1e∙0.2 nm)=6200 V=6.2 kV