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| Q. |
Waves that are required for long distance wireless communication are – |
| A. | Infrared rays |
| B. | Ultraviolet rays |
| C. | Radio waves |
| D. | Microwaves |
| Answer» C. Radio waves | |
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Explanation: Wireless communication is the transfer of information between two or more points that are not connected by an electrical conductor. With radio waves distances can be short, such as a few metres for television remote control, or as far as thousands or even millions of kilometres for deep-space radio communications. |
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