MCQOPTIONS
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| 1. |
For a radioactive substance with half-life period 500 years, the time for complete decay of 100 milligram of it would be [MADT Bihar 1984] |
| A. | 1000 years |
| B. | \[100\times 500\] years |
| C. | 500 years |
| D. | Infinite time |
| Answer» E. | |