McqMate
| Q. |
Which among the following waves is used for communication by artificial satellites? |
| A. | Micro waves |
| B. | Radio waves |
| C. | A. M. |
| D. | Frequency of 1016 series |
| Answer» A. Micro waves | |
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Explanation: For fixed (point-to-point) services, communications satellites provide a microwave radio relay technology complementary to that of communication cables. They are also used for mobile applications such as communications to ships, vehicles, planes and hand-held terminals, and for TV and radio broadcasting. Microwave technology is extensively used for point-to-point telecommunications (i.e., non broadcast uses). |
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