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IR Full Form — Infrared

IR full form is Infrared. Infrared radiation is a type of light energy invisible to human eyes that we feel as heat, emitted by all warm objects including the sun and our own bodies

TL;DR: IR full form is Infrared. Infrared radiation is a type of light energy invisible to human eyes that we feel as heat, emitted by all warm objects inclu…

By Syllab.in · Updated Jun 17, 2026

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