Radiation physics is a branch of physics that deals with the study of electromagnetic radiation, such as X-rays, gamma rays, and other forms of ionizing radiation. This field examines the properties, interactions, and effects of radiation on matter and living organisms, as well as the application of radiation in medical imaging, cancer treatment, nuclear power generation, and other technologies. Radiation physics plays a crucial role in understanding the risks and benefits of radiation exposure, and in developing safe and effective radiation-based technologies for various applications.