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Everyone is exposed to background radiation - Edexcel - GCSE Physics - Question 5 - 2013 - Paper 1
Question 5
Everyone is exposed to background radiation. Some of this radiation comes from natural sources. (a) (i) One example of a source of background radiation that does no... show full transcript
Worked Solution & Example Answer:Everyone is exposed to background radiation - Edexcel - GCSE Physics - Question 5 - 2013 - Paper 1
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Explain why there is no radon gas in some other parts of the country.
Answer
Radon gas is a decay product of uranium found in rocks such as granite. Therefore, areas with less granite or geological formations containing lower concentrations of uranium will have less radon gas. For instance, regions with predominantly sedimentary rocks may have minimal levels of radon gas compared to areas rich in granite, such as Cornwall or Aberdeen.