Large signal differences in the remnant beam will produce a radiographic image demonstrating?

When large signal differences exist in the remnant beam, it indicates that there is a significant disparity in the attenuation of X-rays as they pass through different materials or tissues. This phenomenon results in high image contrast on the radiographic image.

High image contrast occurs because the areas of high attenuation (where more X-rays are absorbed) and low attenuation (where fewer X-rays are absorbed) appear distinctly different from one another. This stark visual separation enables finer details to be observed, making it easier to discern between various structures, such as bones versus soft tissue or abnormalities within the body.

In other terms, a radiographic image with high contrast is characterized by the presence of both very dark and very light areas, enhancing the visibility of various features. This is particularly crucial in radiography, where clear distinction is necessary for an accurate diagnosis. Hence, the presence of large signal differences in the remnant beam naturally results in a radiographic image that demonstrates high image contrast.