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    Which of the following is used in the common tv remote control ?
    Question

    Which of the following is used in the common tv remote control ?


    A.

     Ultrasonic wave


    B.

     LASER wave

     

    C.

    Radio wave


    D.

      Infrared wave

    Correct option is D

    TV remotes commonly use infrared (IR) waves to transmit signals to the television. These waves are invisible to the human eye but can be detected by electronic sensors.

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