Engineering, 07.08.2019 18:20 sunshine52577oyeor9
If a gamma ray beam is attenuated to 5% of the incident level by 3-mm pb, what is the thickness of a tvl of lead? show all the steps
Answers: 2
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If a gamma ray beam is attenuated to 5% of the incident level by 3-mm pb, what is the thickness of a...
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