The half life of polonium is 140 days. In what time will 15 g of polonium be…
Physics · Class 12 · CBSE — Nuclei
The half life of polonium is 140 days. In what time will 15 g of polonium be disintegrated out of its initial mass of 16 g?
- 230 days
- 560 days
- 730 days
- 160 days
Answer
(B) 560 days
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