two metal bowls one white and one black are filled with water and kept under the sun. in which of the two bowls will the water get heated first why
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Two metal bowls one white and one black are filled with water and kept under the sun. in which of the two bowls will the water get heated first why
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A black body is assumed to be a perfect radiator of heat.
A black container of water can be said to be closer to a black body than a white container. Kirchoff's laws of radiation make it evident that a BLACK BODY IS NOT ONLY A PERFECT ABSORBER BUT ALSO A PERFECT emitter of heat. Hence the black container will cool down faster.
Wear a black cotton shirt in summer, you'll sweat!
Wear a cotton (black) shirt in winter you'll freeze!
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Answer:
white bowl
Explanation:
white attracts sunlight while blach does not
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