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The Arrow of Time and the Second Law of Thermodynamics

Question 1 of 15

What is the Second Law of Thermodynamics?

  1. Heat flows spontaneously from colder to hotter objects.
  2. Entropy always increases in an isolated system.
  3. The total energy of an isolated system remains constant.
  4. The arrow of time is determined by the direction of entropy increase.

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15₹7 Crores
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