Nuclei · Class 12 · CBSE · Science Physics
A radioactive sample has a half-life of 5 ext{ years}. What fraction of the original sample will remain undecayed after 15 ext{ years}?
Practice question from Nuclei (Class 12 · CBSE · Science Physics), with the correct answer and a step-by-step solution.
easy · MCQ · Q-F7CD74
A radioactive sample has a half-life of . What fraction of the original sample will remain undecayed after ?
- A.
- B.
- C.Correct answer
- D.
Solution
The number of half-lives . The remaining fraction is .
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