NDA 2024 Physics question
Given below are the four cases in which certain heat transfer is taking place : 1. Ice is melting in a glass full of water 2. Water is boiling in an open container 3. A metal rod is heated in a furnace 4. A cup of coffee is allowed to cool on a table In which of the above cases, the Newton's Law of Cooling is applicable ?
Answer: (B)
Solution
Newton's law of cooling describes how a hot body loses heat to cooler surroundings: the rate of cooling is proportional to the temperature difference between
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