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Question
Which of the following is not an application of Infrared Rays?
Which of the following is not an application of Infrared Rays?
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Solution
The correct option is D Long distance communication
Infrared waves are the electromagnetic waves which have frequency range between 300 GHz to 400 GHz. These cannot travel along long distances. These waves are used for short range communication and they also use line-of-sight of propagation. These waves cannot pass through solid objects like walls etc. These also not penetrate through walls. The most common application of the IR waves is remote controls that are used for TV, DVD players and stereo system.
Infrared waves are the electromagnetic waves which have frequency range between 300 GHz to 400 GHz. These cannot travel along long distances. These waves are used for short range communication and they also use line-of-sight of propagation. These waves cannot pass through solid objects like walls etc. These also not penetrate through walls. The most common application of the IR waves is remote controls that are used for TV, DVD players and stereo system.
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