AP EAMCET · PHYSICS · Nuclear Physics
The half-life of a radioactive sample is 20 days this means that
- A the substance completely disintegrates in 40 days
- B the substance completely disintegrates in 80 days
- C \(1 / 8\) part of the substance disintegrates in 60 days
- D \(7 / 8\) part of the substance disintegrates in 60 days
Answer & Solution
Correct Answer
(D) \(7 / 8\) part of the substance disintegrates in 60 days
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