MCQOPTIONS
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| 1. |
Sound travels at 330 metre per second. The distance (in kilometre) of a thunder cloud when its sound follows the flash after 10 seconds is : |
| A. | 0.33 km. |
| B. | 3.3 km. |
| C. | 33 km. |
| D. | 33.3 km. |
| Answer» C. 33 km. | |