The half life of radioactive sample undergoing α-decay is 1.4 10^ 17 5 . If the number of…
Physics · NEET · NTA Exams — Atoms and Nuclei
The half life of radioactive sample undergoing α-decay is \(1.4 \times 10^{17} 5\). If the number of nuclei in the sample is \(2.0 \times 10^{21}\), the activity of the sample is nearly:
- 104 Bq
- 105 Bq
- 106 Bq
- 103 Bq
Answer
(B) 10 5 Bq
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