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Consider the following statements about the Mpemba effect. I. Freezing of hotter water faster than colder water under specific conditions. II. JLN Advanced Scientific Research has used supercomputers to develop the first simulation of ice formation proving the Mpemba effect of water. III. Named after Nigerian scientist Erasto Mpemba, who rediscovered it in 1969. IV. Aristotle, Robert Hooke and Descartes have noted about this experiment earlier. V. Relaxation of materials due to sudden temperature changes is technically called out-of-equilibrium phenomena. How many of the above statements are true?
This question appeared in the OPSC Prelims 2025 examination (GS). It is Question 25 out of 178 questions in this paper.
This question was part of the OPSC Prelims 2025 (GS). The OPSC Prelims examination tests candidates on general studies, current affairs, and aptitude through multiple-choice questions.
Practice previous year questions from all OPSC Prelims papers and compare patterns with UPSC Prelims PYQ to identify overlapping topics.