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| 1. |
The voltage applied to an X-ray tube is 20 kV. The minimum wavelength of X-ray produced, is given by `(31xxn)/50 Å` then n will be (`h=6.62xx10^(-34) Jx,c=3xx10^(8) m//s, e=1.6xx10^(-19)` coulomb): |
| Answer» `lambda_("min")=(hc)/(eV)=(6.62xx10^(-34)xx3xx10^(8))/(1.6xx10^(-19)xx20xx10^(3))=12375/(20xx10^(-3)) Å =0.62 Å` | |