The annual radiation dose from 14 C in our bodies is 0.01 mSv/y. Each 14 C decay
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The annual radiation dose from 14C in our bodies is 0.01 mSv/y. Each 14C decay emits a β- averaging 0.0750 MeV. Taking the fraction of 14C to be 1.3 x 10-12 N of normal 12C, and assuming the body is 13% carbon, estimate the fraction of the decay energy absorbed. (The rest escapes, exposing those close to you.)
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