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  1. Waves that are required for long distance wireless communication are

  2. A.

     Infrared rays

    B.

     Ultraviolet rays

    C.

     Radio waves

    D.

     Microwaves

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    Answer : Option C

    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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