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    Exam 32: Nuclear Physics and Nuclear Radiation
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    The Half-Life of a Radioactive Material Is 4
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The Half-Life of a Radioactive Material Is 4

Question 4

Question 4

Multiple Choice

The half-life of a radioactive material is 4.5 days.How many days are required for a sample,with an initial activity of 1.0 × 105 Bq,to decay to an activity of 100 Bq?


A) 45 days
B) 36 days
C) 54 days
D) 31 days

Correct Answer:

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