In a radioactive substance at t = 0, the number of atoms is 8 × 10 4 . Its half life…
Physics · JEE Advanced · NTA Exams — Atoms and Nuclei
In a radioactive substance at t = 0, the number of atoms is 8 × 104. Its half life period is 3 years. The number of atoms \(1 \times 0^{4}\) will remain after interval
- 9 years
- 8 years
- 6 years
- 24 years
Answer
(A) 9 years
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