q what percentage of a given radioactive
Q. What percentage of a given radioactive substance will be left after 5 half -life periods?
The residual part of radioactive substance = ( ½ ) 5
Therefore the percentage of remaining part of radioactive substance
= ( ½ ) 5 X 100% = 3.125 %
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Question: Which of the following presents a risk that should involve direct oversight from the DNS?
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