What yearly dose in gy does the typical person receive

Reference no: EM13997140

A 70 kg human body typically contains 140 g of potassium. Potassium has a chemical atomic mass of 39.1 u and has three naturally occurring isotopes. One of those isotopes, 40K, is radioactive with a half-life of 1.3 billion years and a natural abundance of 0.012%. Each 40K decay deposits, on average, 1.0 MeV of energy into the body.

What yearly dose in Gy does the typical person receive from the decay of 40K in the body?

Reference no: EM13997140

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