Radiation physics examines the behavior, interaction, and detection of ionizing and non-ionizing radiation. Its applications extend from medical imaging to nuclear power and materials analysis. Radiation Physics Applications introduces the fundamental principles of radiation production, measurement, and shielding. The book discusses radiation-matter interaction, dosimetry, and safety standards. It also explores technological uses in healthcare, industry, and environmental monitoring. Through clear explanations and real-world examples, it provides a comprehensive foundation for understanding the role of radiation in science and technology.