MCQOPTIONS
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MCQOPTIONS
| 1. |
The rate of disintegration was observed to be 1017 disintegrations per sec when its half-life period is 1445 years. The original number of particles are |
| A. | \[8.9\times {{10}^{27}}\] |
| B. | \[6.6\times {{10}^{27}}\] |
| C. | \[1.4\times {{10}^{16}}\] |
| D. | \[1.2\times {{10}^{17}}\] |
| Answer» C. \[1.4\times {{10}^{16}}\] | |