Which of the following is a function of the lead screen placed around radiographic film?

Related MCQs

• Which of the following is not a function of the lead screen placed around radiographic film?
• 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:
• ‘Film contrast’ is the inherent ability of a film to show for a given change in film exposure.
• Which of the following viewing conditions is most desirable for interpreting radiographic film?
• 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 techniques would probably reduce the amount of scattered radiation reaching the film during a radiographic exposure?
• Which of the following conditions might cause mottling of a radiographic film?
• Which of the following techniques would probably reduce the amount of scattered radiation reaching the film during a radiographic exposure?
• A 7.6 cm (3 inches) thick test specimen is radiographed with a source having size of 1.3 cm (1/2 inch), the film is placed in contact with the test specimen. The source to film distance is 40.6 cm (16 inches).The geometric unsharpness obtained is:
• An exposed radiographic film which transmits 1% of the light incident on it has what density: