MCQOPTIONS
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| 1. |
If there are 10000 grains in 1 mm2 at 50X, how many grains will be there in the same area at 100X? |
| A. | 20000 |
| B. | 5000 |
| C. | 2500 |
| D. | 100000 |
| Answer» D. 100000 | |