MCQOPTIONS
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| 1. |
Consider the following:1. Submarine Communications2. AM Radio3. Short Wave Radio4. RadarArrange the above in increasing frequency of the waves used in their applications. |
| A. | 4 3 2 1 |
| B. | 1 2 3 4 |
| C. | 2 1 4 3 |
| D. | 2 3 4 1 |
| Answer» C. 2 1 4 3 | |