Question

Black objects radiate more heat than white objects.give two daily uses.

Answer 1

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1-The back of refrigerator are coloured dull black to radiate heat more effectively in order to cool down the refrigerator pipes. 

2-Electric hot plates are coloured black to radiate maximum heat.

Answer 2

Explanation:

Give two everyday uses of this principle. 1-The back of refrigerator are coloured dull black to radiate heat more effectively in order to cool down the refrigerator pipes. 2-Electric hot plates are coloured black to radiate maximum heat.

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