MCQOPTIONS
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| 1. |
The decay constant of a radioactive element is 0.01 per second. Its half-life period is [DPMT 2001] |
| A. | 693 sec |
| B. | 6.93 sec |
| C. | 0.693 sec |
| D. | 69.3 sec |
| Answer» E. | |