physics 121 chapters 7 and 8 quiz and answers already passed 2025

physics 121 chapters 7 and 8 quiz and
answers already passed 2025
The speed in which the incident electrons attain before reaching the anode
target is approximately: - correct answer ✔Half the speed of light


As the kinetic energy of the incident electrons increases, so does: - correct
answer ✔The efficiency of x-ray production


The type of radiation that is produced by an incident electron interacting with
the nuclei of a target atom is: - correct answer ✔Brehmsstruhlung


Tungsten atoms have ___ electrons orbiting their nuclei. - correct answer
✔74


Which of the following movements of orbiting electrons is the only one that will
produce a photon in the diagnostic range? - correct answer ✔O shell to K
shell


At a setting of 68 kVp with a tungsten anode, the percentage of your beam is
composed of characteristic x-rays is: - correct answer ✔Zero


The binding energy of a O shell electron in a tungsten atom is: - correct
answer ✔0.08 keV


The most common type of personnel monitoring device used in Radiology is
the: - correct answer ✔The OSL