Which of these colours black white absorbs heat and which keeps you cooler by reflecting it?

Rebeka Herman asked a question: Which of these colours black white absorbs heat and which keeps you cooler by reflecting it?
Asked By: Rebeka Herman
Date created: Tue, Mar 16, 2021 11:13 PM

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Those who are looking for an answer to the question «Which of these colours black white absorbs heat and which keeps you cooler by reflecting it?» often ask the following questions:

❗ Why white roof keeps a house cooler as against black roof?

Because white reflects heat whilst black absorbs it therefore a white roof will keep the house cooler as the suns rays will bounce back off of it whereas a black roof will absorb the suns rays.

❗ Why white roof keeps a house cooler?

White absorbs the least amount of light.

❗ Is it true that wearing white keeps you cooler?

  • No. White reflects heat back into your body, theoretically, whereas black absorbs and disperses it. However, it makes no practical difference other than the placebo effect. QI busted this a while back. When carrying out a blind test in warm sunshine, test subjects could not tell the difference between wearing any colour of clothing.

1 other answer

Black absorbs heat, and white reflects it. By heat, this is predominantly heat generated by light, such as sunlight or a lamp. Black is essentially the absence of light, so it absorbs the lights energy and converts it to heat. White is a complete reflection of the light being cast upon it, so more light is reflected off and it stays cooler.

Your Answer

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