Which Expression Correctly Describes the Radioactive Decay of a Substance

question 35

Multiple Choice

Which expression correctly describes the radioactive decay of a substance whose half-life is T?

• A)N(t)= N₀e^{-(t ln2)/T}
• B)N(t)= N₀e^-t/T
• C)N(t)= N₀e^-tT
• D)N(t)= N₀e^{-tT ln2}
• E)N(t)= N₀e^{-t/T ln2}