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Asked by busy20kue to Sally, Mmboyi, Mike, Michael, Jacinta, Gliday, Elkana, Edna, Arnold on 9 Jul 2025.
Question: why does black color absorb heat
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Arnold Lambisia answered on 9 Jul 2025:
Unlike other colors, black absorbs more heat because it absorbs all wavelengths of visible light and reflects none. The absorbed light is then released as thermal energy or heat.
Light colors will reflect most of the light and that’s why if you wear a black sweater when the sun is out you’ll feel hotter than someone wearing a white sweater
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Michael Kimwele answered on 10 Jul 2025:
Black color absorbs heat because of how it interacts with light and electromagnetic radiation. Here’s a simple explanation:
1. Light AbsorptionSunlight is a mix of all visible colors (red, orange, yellow, green, blue, indigo, violet) and other invisible rays like infrared (heat).
A black surface absorbs all wavelengths of visible light and doesn’t reflect any.
The absorbed light energy is then converted into heat.
2. No Reflection
White or light-colored surfaces reflect most of the light that hits them.
Black reflects almost nothing, so all the light energy stays in and becomes thermal energy.
3. Energy Conversion
When light hits a surface, its energy either gets reflected, transmitted, or absorbed.
The more light is absorbed, the more it vibrates the molecules in the material, increasing its temperatureāthis is what we feel as heat.
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