1. What minimum x-ray tube voltage (in kV) would be required to excite the Ka1 (0.2290 nm) line of chromium?

1. What minimum x-ray tube voltage (in kV) would be required to excite the Ka1 (0.2290

nm) line of chromium?

2. The mass absorption coefficient for chromium measured using the copper Ka1 line is

39.8 cm^2/g. Calculate the thickness of a chromium foil that was found to transmit

36.8 % of the incident power of a beam of copper Ka1 radiation. The density of

chromium is 7.15 g/cm^3.