MCQOPTIONS
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| 1. |
0.1 per cent of 1.728 × 106 spherical droplets of water, each of diameter 2 mm, coalesce to form a spherical bubble. What is the diameter (in cm) of the bubble? |
| A. | 1.2 |
| B. | 1.6 |
| C. | 1.8 |
| D. | 2.4 |
| Answer» E. | |