A Sample Contains 1 $\times$ 10^-3 G of ⁴⁰K $\times$ 10⁹ Years

question 37

Multiple Choice

A sample contains 1.000 $\times$ 10^-3 g of ⁴⁰K.The half-life of ⁴⁰K is 1.250 $\times$ 10⁹ years.What is the activity of the sample?

• A) 3300 Bq
• B) 1250 Bq
• C) 382.0 Bq
• D) 265.0 Bq
• E) 3.000 Bq

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Definitions:

Output Activity

Measures of the amount of work performed or products produced by a company or a specific process within a given period.