What is mpemba effect?
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Answer:
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Explanation:
The Mpemba effect is a process in which hot water can freeze faster than cold water. The phenomenon is temperature-dependent. There is still some disagreement about the parameters required to produce the effect and about its theoretical basis[1][2] but in 2020 Nature published a paper that sought to "outline the generic conditions needed to accelerate heat removal and relaxation to thermal equilibrium and support the idea that the Mpemba effect is not simply a scientific curiosity concerning how water freezes into ice — one of the many anomalous features of water — but rather the prototype for a wide range of anomalous relaxation phenomena of broad technological importance" .[3]
The Mpemba effect is named after Tanzanian schoolboy Erasto Bartholomeo Mpemba (born 1950) who discovered it in 1963. There were preceding ancient accounts of similar phenomena, but these lacked sufficient detail to attempt verification.
✝️✝️ Mpemba Effect
- It is a phenomenon in which hot water freezes at faster rate compared to cold Waters' freezing rate.
- This effect has certain temperature parameters to occur.
- This effect was discovered in 1963 by a schoolboy Erasto Bartholomeo Mpemba, who hailed from Tanzania.
- This schoolboy had claimed in his science class that an ice cream would freeze faster if it was heated first before being put in the freezer.