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    Question

    Waves that are required for long distance wireless

    communication are –
    A Infrared rays Correct Answer Incorrect Answer
    B Ultraviolet rays Correct Answer Incorrect Answer
    C Radio waves Correct Answer Incorrect Answer
    D Microwaves Correct Answer Incorrect Answer

    Solution

    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,suchasafewmetresfortelevisionremote control, or as far as thousands or even millions of kilometres for deep-space radio communications.

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