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Question
The decay constant λ of a certain radioactive material is 0.2166 per day. The average life τ of the radioactive material is ______
Options
5.332 days
4.617 days
2.166 days
1.083 days
Solution
The decay constant λ of a certain radioactive material is 0.2166 per day. The average life τ of the radioactive material is 4.617 days.
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