Kishore's mother offered his father a cup of tea. His father told Kishore to cool the tea. Then Kishore cooled the tea by placing before a running fan. Can you analyse why Kishore used fan to cool the tea?

Answers (1)

Because the running flow increases the speed of air passing through the cup of tea. It increases the heat loss due to convection. That is why he kept the cup below a running fan

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