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Question:

Why do dark colors absorb more heat/light?

Do all dark objects absorb more heat/light than lighter objects?

Answer:

It's the other way around - objects appear dark because they absorb more light than lighter objects, which reflect more light than darker objects. You see only the light that each reflects. There are some interesting exceptions. For example, fluorescent-coloured objects appear to reflect even more visible light than strikes them because they convert some of the ultraviolet light, which is invisible, into visible light. The heat and light absorbing or reflecting qualities of a surface are usually not equivalent. Radiant heat is just low-frequency light (infrared light) and a given surface may reflect more or less of each frequency of light.
Whatt??? You propose what hues take in the main image voltaic? White reflects maximum, black absorbs all. once you spot a shade, it is beacause that shade is absorbing all the different hues, and reflecting those you spot. trees certainly take in all image voltaic yet eco-friendly image voltaic, that's why they are eco-friendly. in case you tried to develop a tree with in trouble-free terms eco-friendly gentle, it might die.

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