Which of the following isotopes are commonly used for radiographic purposes?

Related MCQs

• A radiographic exposure with 3700 GBq (100 Ci) source of Ir-192 using source to film distance of 60 cm results in a radiation intensity of 0.12 Gy/h (11.8 R/h) and a radiographic density of 2.5. The intensity of radiation needed to obtain the same density when the source to film distance is changed to120 cm is:
• Which of the following types of radiation is commonly used in radiographic testing? (Choose one):
• The specific activity of radioactive isotopes is measured in:
• In the radiographic analysis procedure that is used to prepare an exposure chart, the first step is to:
• Which of the following statements should be true to achieve the highest level of radiographic sharpness (definition)?
• Which of the following viewing conditions is most desirable for interpreting radiographic film?
• Of the following radiographic sources, which emits the most penetrating radiation?
• Which of the following techniques would probably reduce the amount of back scattered radiation reaching the film during a radiographic exposure?
• Which of the following would be detrimental to radiographic image sharpness?
• Which of the following would be detrimental to radiographic image sharpness?