MCQOPTIONS
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MCQOPTIONS
| 1. |
The r.m.s. velocity of molecules of a gas of density 4 kg m-3 and pressure 1.2 ´ 105 Nm-2 is? |
| A. | 120 ms-1 |
| B. | 300 ms-1 |
| C. | 600 ms-1 |
| D. | 900 ms-1 |
| Answer» C. 600 ms-1 | |