What light has the longest wavelength?
Understand the Problem
The question is asking which type of light has the longest wavelength, likely referring to the electromagnetic spectrum. This includes identifying the category of light such as infrared, visible, or radio waves, where we would generally find the longest wavelengths.
Answer
Red light
Red light has the longest wavelength in the visible spectrum, around 620 to 750 nanometers.
Answer for screen readers
Red light has the longest wavelength in the visible spectrum, around 620 to 750 nanometers.
More Information
Red light has the longest wavelength among visible light, typically ranging from about 620 to 750 nanometers. This is why red light is often used in applications that require long-range visibility.
Sources
- What color of light has the longest wavelength and the shortest? - answers.com
- Electromagnetic spectrum | ESA/Webb - esawebb.org
- Which color of light has the longest wavelength? Which ... - Quora - quora.com
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