Understanding Background Radiation: Sources and Exposure

The video tutorial explores ionizing radiation, including alpha particles, beta particles, gamma rays, and neutrons. It explains background radiation, which is low-level radiation from natural and man-made sources. The main sources of background radiation include radon gas, medical procedures, cosmic rays, and nuclear fallout. Radon gas, released from uranium in rocks and soil, is a significant source in the UK. Medical sources use radioactive materials for imaging and treatment, such as gamma rays and Iodine 131. Cosmic rays originate from space, while nuclear fallout results from nuclear bombs and disasters, spreading radioactive particles over large areas.

How are medical sources of radiation used in healthcare?

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What are cosmic rays and where do they originate from?

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