PowerPoint Presentation

What is radiation?

process in which energetic particles or energetic waves travel through a medium or space

ionizing non-ionizing

• Alpha • Beta (electrons) • X-rays • Gamma • Neutrons, protons • Heavy particles • UV

• Visible light • Infrared • Microwaves • Radio, TV

Source: http://www.who.int/ionizing_radiation/about/what_is_ir/en/