What Is the Specific Activity (In Ci/g) of an Isotope $\beta$

question 63

Multiple Choice

What is the specific activity (in Ci/g) of an isotope if 3.56 mg emits 4.26* 10⁸ $\beta$ particles per second?

• A) 0.003232 Ci/g
• B) 0.0115 Ci/g
• C) 0.309 Ci/g
• D) 3.23 Ci/g
• E) None of these choices is correct.

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Definitions:

Total Cost

The overall expense incurred in the production of goods or services, including both fixed and variable costs.

Fixed Cost

Expenses that do not change with the level of production or sales, such as rent, salaries, or insurance premiums.

Variable Cost

Costs that change in proportion to the level of production or business activity, such as raw materials or hourly labor.

Variable Costs

Expenses that change in direct proportion to the amount of production or output.