Final answer:
To produce clear diagnostic images in radiography, an intensifying screen that emits green light is used with green-sensitive film, which chemically alters silver compounds in the film's emulsion to expose it.
Step-by-step explanation:
The intensifying screen that emits green light and must be used with green-sensitive film is specifically designed for medical imaging, particularly in radiography. When radiation interacts with the screen, it emits light, which in turn exposes the photographic film. The emitted green light correlates with the film's sensitivity, ensuring that the film is correctly exposed. The mechanism by which the film exposure occurs involves silver compounds in the film's emulsion that are chemically altered by the energy from the light flashes, which are initially generated by the radiation's interaction with the intensifying screen. This process is a crucial aspect in producing clear diagnostic images in X-ray examinations.