The Y-rays radiographs are used in:

Explanation

The explanation is given below: Gamma rays (γ-rays) are the type of electromagnetic radiation commonly used in various medical imaging techniques. Gamma rays are highly penetrating and are useful for imaging the internal structures of the human body. Here are some common applications of gamma rays in medical imaging: Gamma Ray Radiography: Gamma ray radiography is used for non-destructive testing in industry and to examine the integrity of materials, such as welds and the structure of objects. In the medical field, gamma ray radiography may be used in some specialized imaging procedures. Gamma Camera Imaging: Gamma cameras are used in nuclear medicine to detect gamma-ray emissions from radioactive substances that are introduced into the body. This technique is used for diagnostic imaging, such as in the case of Single Photon Emission Computed Tomography (SPECT) scans. Positron Emission Tomography (PET): While not technically gamma rays, positron-emitting radiotracers used in PET scans emit positron particles, which then annihilate with electrons, resulting in the emission of pairs of gamma photons. PET scans use detectors to capture these gamma photons and create images of metabolic processes in the body. It's important to note that gamma rays are a type of ionizing radiation, which can be harmful in high doses. Therefore, they are used in medical imaging with great care and attention to ensure patient safety and minimize radiation exposure.