Question:
In naturally cold places like Antartica, if a hot cup of tea is kept, it will naturally cool down without any external work done. How is this possible according to second law of thermodynamics
Answer:
Heat transfer to hotter body to cooler body till it reaches equilibrium. The Second Law of Thermodynamics states that the state of entropy of the entire universe, as an isolated system, will always increase over time. Note that Second law talks about the entire universe as one object, not a cup of tea as an object.
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