Q- You have two tins containing equal amount of hot water --> one painted black and the other white on outside ; and kept in shade for 15-20 minutes. In which of the two cans, water will be cooler and why?
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Answer:
in WHITE
Explanation:
BLACK is a colour which has the ability to absorb all radiations. Therefore almost all wavelengths of light will be absorbed by black and becomes hotter. White on other hand reflects almost all wavelengths of light. Therefore it will be less hotter than black one.
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white
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