The Graph Shows the Activity as a Function of Time

question 34

Multiple Choice

The graph shows the activity as a function of time for a radioactive sample. The decay constant for this sample is approximately

• A) 0.11 d^-1
• B) 0.69 d^-1
• C) 0.090 d^-1
• D) 6.0 d^-1
• E) 1.8 d^-1

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