MCQOPTIONS
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| 1. |
What is supersonic speed? |
| A. | When the speed of any object exceeds the speed of sound |
| B. | When the speed of any object exceeds the speed of light |
| C. | When the speed of any object exceeds 10000 m/s |
| D. | None of the above |
| Answer» B. When the speed of any object exceeds the speed of light | |