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Question: The activity of a radioactive sample is measured as 9750 counts per minute at t = 0 and as 975 counts per minute at t = 5 minutes. The decay constant is approximately

1) 0.230 per minute

2) 0.461 per minute

3) 0.691 per minute

4) 0.922 per minute

Solution:

Explanation: No Explanation

Radioactivity Modern Physics

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