Question detail
Which of the following best describes the nature of radioactive decay?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Atoms and nuclear radiation
Question
- A. It is a predictable process
- B. It is a random process
- C. It occurs at a constant rate
- D. It can be controlled
Answer
The correct answer is B: It is a random process.
Explanation
The correct answer is B: It is a random process. This supports the learning objective "Interpret decay curves showing radioactive count rate against time." in Half-lives and the random nature of radioactive decay because it uses the correct atomic and nuclear radiation relationship for Atoms and nuclear radiation. The other options are less suitable because they do not match the required Half-lives and the random nature of radioactive decay idea: It is a predictable process; It occurs at a constant rate; It can be controlled.
Common mistake
Misinterpreting Decay Curves
Students often confuse the shape of the decay curve, thinking it is linear rather than exponential.
Review the characteristics of exponential decay, noting that the count rate decreases rapidly at first and then more slowly over time.
Related flashcards
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Related practice questions
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