Assuming the gamma radiation is emitted isotropic ally

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A particular radioactive source produces 150 m rads of 2.5 MeV gamma rays per hour at a distance of 1 m.

1) How long could a person stand at this distance before accumulating an intolerable dose of 1 rem

 

2) Assuming the gamma radiation is emitted isotropic ally, at what distance would a person receive 15 m rads/hr from this source?

Reference no: EM13668524

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