The Activity of a Radioactive Sample Is the Number of Decay

question 152

Multiple Choice

The activity of a radioactive sample is the number of decay events per second.The SI unit of activity is the becquerel.An older unit for activity is the curie.What is the activity in Bq of a sample with an activity of 47 µCi of radiation? (1 Bq = 1 decay/s and 1 Ci = 3.7 * 10¹⁰ Bq)

• A)7.9 * 10² Bq
• B)7.9 *10⁸ Bq
• C)1.7 * 10¹² Bq
• D)1.7 *10⁶ Bq
• E)1.3 *10^-16 Bq

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