Q. A linear accelerator is used to produce X rays in what range?

  • (A) Several MeV
  • (B) 50-500 keV
  • (C) 500-1000keV
  • (D) 0-50 keV
πŸ’¬ Discuss
βœ… Correct Answer: (A) Several MeV

Q. For a particular isotope, gamma radiation intensity is determined by:

  • (A) Type isotope used
  • (B) Energy level of gamma rays in source
  • (C) Source strength in curies
  • (D) None of the above
πŸ’¬ Discuss
βœ… Correct Answer: (C) Source strength in curies

Q. A term used to describe the range of radiation intensities falling on the film during exposure is:

  • (A) Film contrast
  • (B) Radiographic contrast
  • (C) Subject contrast
  • (D) Radiographic sensitivity
πŸ’¬ Discuss
βœ… Correct Answer: (B) Radiographic contrast

Q. An expression which is used to describe the slope of a film characteristic curve is:

  • (A) Film latitude
  • (B) Film contrast
  • (C) Film sensitivity
  • (D) Film gradient
πŸ’¬ Discuss
βœ… Correct Answer: (D) Film gradient

Q. Which of the following factors affect film graininess?

  • (A) Wavelengths of radiation
  • (B) Film processing conditions
  • (C) Film speed
  • (D) All of the above
πŸ’¬ Discuss
βœ… Correct Answer: (D) All of the above

Q. The amount of radioactivity which corresponds to 3.7 × 1010 disintegrations per second is called:

  • (A) 0.01 gray (1 rad)
  • (B) 1 Farad
  • (C) 37 GBq (1 curie)
  • (D) 10 mSv (1 roentgen)
πŸ’¬ Discuss
βœ… Correct Answer: (C) 37 GBq (1 curie)

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