Physics · Thermodynamics and Fluid Phenomena
With reference to the Mpemba Effect, consider the following statements: I. Under certain conditions, an initially hotter liquid may cool or freeze faster than an initially colder one. II. Evaporative heat loss has often been regarded as a sufficient explanation of the phenomenon, with other factors such as convection or microbubble effects being, at best, secondary refinements. III. One of the explanations advanced in this regard relates to microbubbles persisting in previously heated water. IV. Recent simulation-based work indicates that analogous behaviour may arise in some fluid-to-solid transitions other than that of water. Which of the statements given above are correct?
- 1I, II, III and IV
- 2II, III and IV only
- 3I and II only
- 4I, III and IV only✓
Correct answer
I, III and IV only
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