key aspects of medical physics outlined below. Within your report you must describe the fundamental differences between protons, neutrons and electrons in terms of their mass and charge. The report must also include an explanation of each of the following: How the range in air and penetrating powers of alpha, beta, gamma and x-rays are related to their nature and properties. The safety procedures followed when using alpha, beta and gamma radiation, and x-rays. The use of the Barium meal for soft body imaging. The use of gamma rays in imaging. The use of internal sources of radiation in treatment procedures. How Technetium-99m is generated. The use of Iodine-131 in thyroid investigations. The medical uses of parts of the electromagnetic spectrum. The use of ultrasonics in medical imaging and treatment. With conclusion please