Q. Consider the following:
1. Submarine Communications
2. AM Radio
3. Short Wave Radio
4. Radar
Arrange the above in increasing frequency of the waves used in their applications.
1. Submarine Communications
2. AM Radio
3. Short Wave Radio
4. Radar
Arrange the above in increasing frequency of the waves used in their applications.
✅ Correct Answer: (B)
1 2 3 4
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