A radiation worker stands 50 cm away from a radioactive source of 25 mCi 57Co. Calculate the exposure value received by the worker while standing for 1 hr near the source. The isotop half-life is 271.8 days.
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A radiation worker stands 50 cm away from a radioactive source of 25 mCi 57Co. Calculate the exposure value received by the worker while standing for 1 hr near the source. The isotop half-life is 271.8 days.
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