The Decay Rate of a Radioactive Sample Is Defined as the Number

question 64

Multiple Choice

The decay rate of a radioactive sample is defined as the number of decays per second. For a sample with N particles and a decay constant $\lambda$ , the decay rate is

• A) proportional to \(\lambda\) and inversely proportional to N.
• B) proportional to \(\lambda\) but independent of N.
• C) directly proportional to both \(\lambda\) and N.
• D) independent of \(\lambda\) but proportional to N.
• E) inversely proportional to both \(\lambda\) and N.

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