MCQOPTIONS
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MCQOPTIONS
| 1. |
Increase in velocity of sound in the air for 1°C rise in temperature is_________________? |
| A. | 1.61 ms-1 |
| B. | 61.0 ms-1 |
| C. | 0.61 ms-1 |
| D. | 2.00 ms-1 |
| Answer» D. 2.00 ms-1 | |