MCQOPTIONS
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| 1. |
A nuclear bomb exploded 200 km above the surface of moon. The sound of explosion on the moon [CPMT 1989] |
| A. | Will heard before the explosion is seen |
| B. | Will be heard at the same time |
| C. | Will be heard after explosion |
| D. | Will not heard at all |
| Answer» E. | |