Isotope a Has a Decay Constant Of $0.861 \mathrm {~s} ^ { - 1 }$

question 68

Multiple Choice

Isotope A has a decay constant of $0.861 \mathrm {~s} ^ { - 1 }$ and isotope B has a decay constant of $0.627 \mathrm {~s} ^ { - 1 }$ . Which isotope has a longer mean life (time constant) ?

• A) isotope \(A\)
• B) isotope B

---

Definitions:

Cost of Debt

The effective rate that a company pays on its current debt, which can include bank loans, bonds, and other forms of debt.

Repurchasing Shares

The act of a company buying back its own stocks from the marketplace, which can affect the company’s share price and equity structure.

Equity Firm

A company that invests in businesses, typically by purchasing equity stakes, with the aim of earning returns through dividends or capital appreciation.

Shares Outstanding

The total number of shares of a company that are currently owned by shareholders, including both public investors and company officers or insiders.