MCQOPTIONS
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MCQOPTIONS
| 1. |
The unit of radioactivity curie is equal to________________? |
| A. | 3.74 x 109 disintegration per sec |
| B. | 3.70 x 1010 disintegration per sec |
| C. | 3.55 x 1010 disintegration per sec |
| D. | 3.60 x 1010 disintegration per sec |
| Answer» C. 3.55 x 1010 disintegration per sec | |