Give two examples in which transfer of heat occurs by radiation. Give an activity to show that black objects absorb more heat than white objects. Who will give the first and correct answer I will him/ her as brainlist please answer it's very urgent and important. Please give answer according to 7 class
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Where I come from, the roads are black to absorb the heat. That helps to clear the roads of snow & ice faster.
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Radiation of Heat
It is the process in which heat is transferred from one body to another body without involving the molecules of the medium. Radiation heat transfer does not depend on the medium. For example: In a microwave, the substances are heated directly without any heating medium.
Paint one with white and another with black. Keep under sunlight for 30 minutes. Then bring it back. You will observe that the black coloured cardboard will be heated more that that of the white cardboard.
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