Near-infrared and thermal infrared are subdivisions of which type of radiation?

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Multiple Choice

Near-infrared and thermal infrared are subdivisions of which type of radiation?

Explanation:
Near-infrared and thermal infrared are both part of infrared radiation, a region of the electromagnetic spectrum defined by wavelengths longer than visible light but shorter than microwaves. Near-infrared sits just beyond the visible red end, while thermal infrared covers wavelengths associated with heat emission. Ultraviolet has shorter wavelengths than visible light, radio waves have much longer wavelengths, and microwaves lie longer than infrared, so only infrared fits both of these ranges.

Near-infrared and thermal infrared are both part of infrared radiation, a region of the electromagnetic spectrum defined by wavelengths longer than visible light but shorter than microwaves. Near-infrared sits just beyond the visible red end, while thermal infrared covers wavelengths associated with heat emission. Ultraviolet has shorter wavelengths than visible light, radio waves have much longer wavelengths, and microwaves lie longer than infrared, so only infrared fits both of these ranges.

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