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- Dictionaryinfrared/ˌɪnfrəˈrɛd/
adjective
- 1. (of electromagnetic radiation) having a wavelength just greater than that of the red end of the visible light spectrum but less than that of microwaves. Infrared radiation has a wavelength from about 800 nm to 1 mm, and is emitted particularly by heated objects.
noun
- 1. the infrared region of the spectrum; infrared radiation.
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Infrared (IR; sometimes called infrared light) is electromagnetic radiation (EMR) with wavelengths longer than that of visible light but shorter than microwaves. The infrared spectral band begins with waves that are just longer than those of red light (the longest waves in the visible spectrum), so IR is invisible to
Infrared is a type of light that feels warm but cannot be seen, and that gives out heat. Learn more about infrared light, its uses, and how to pronounce it with Cambridge Dictionary.
Learn what infrared radiation is, how it is classified, and what are its properties and applications. Find out how infrared radiation is related to heat, light, and the electromagnetic spectrum.
- Following are a few properties of infrared radiation: Infrared radiation, like all radiation, travels at a speed of 299,792,458 meters per second....
- A few medicinal effects of infrared radiation are as follows: Used to reduce the inflammation of the throat, ear and nose Used as an aid in stress...
- Infrared is a type of radiant energy that is invisible to the eyes; we can only feel it in the form of heat. All objects in the universe emit some...
- Following are the guidelines that need to be followed when infrared detectors are selected: The temperature and wavelength of the object need to be...
- The infrared detector is classified into two: Thermal type: Heat supply to thermal type detector happens through the infrared energy and the photos...
- Invisible to human eyes: This is considered to be one of the characteristics of infrared radiation and is also useful for security purposes. The dr...
Jun 25, 2024 · Infrared radiation, that portion of the electromagnetic spectrum that extends from the long wavelength, or red, end of the visible-light range to the microwave range. Invisible to the eye, it can be detected as a sensation of warmth on the skin.
- The Editors of Encyclopaedia Britannica
Feb 27, 2019 · Infrared radiation (IR), or infrared light, is a type of radiant energy that's invisible to human eyes but that we can feel as heat. All objects in the universe emit some level of IR radiation,...
Infrared is a word that describes radiation or light outside the visible spectrum at its red end. Learn more about its usage, examples, history, and related phrases from Merriam-Webster Dictionary.
Aug 16, 2013 · Infrared is a form of light that we cannot see, but that we can feel as heat. Learn how infrared light was discovered, how it relates to temperature and color, and how astronomers use it to study the cool cosmos.
