A Sample of a Radioactive Isotope Is Found to Have

question 15

Multiple Choice

A sample of a radioactive isotope is found to have lost 14.0% of its original activity after 8.67 days.What is the rate constant for decay of this isotope?

• A) 0.0174 d^-1
• B) 0.227 d^-
• C) 1.31 d^-1
• D) 0.0151 d^-1
• E) 0.514 d^-1

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Definitions:

Marginal Revenue Product

The additional revenue generated from employing one more unit of a factor, such as labor or capital.

Marginal Revenue Product

The extra income produced by using an additional unit of a resource or input in the production process.

Wage Rate

The fixed amount of compensation or payment a worker receives from an employer in exchange for labor, typically measured per hour or piece of work done.

Diminishing Marginal Product

The decrease in the output of an additional unit of input when all other inputs are held constant beyond a certain point.