Question

why central heating radiators work better if they are painted black?
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Answer 1

Answer:

The color black simply means the radiator coating does not reflect hardly any, or any, visible light. ... So if it's black, suggesting high absorptance, it's also going to be a good radiator of heat, with high emmittance.

Explanation:

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Answer 2

Answer:

the color black simply means radiator coating does not reflect hardly any, visible light. So if it's black, suggesting high absorptance, it's also going to be a good radiator of heat, with high emmittance.

Explanation:

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