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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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