When very hot water is poured into two identical thin and thick glass tumblers in equal volumes, the thick one cracks because?
Question 1 Report
When very hot water is poured into two identical thin and thick glass tumblers in equal volumes, the thick one cracks because?
Answer Details
The thick glass tumbler cracks because of the uneven expansion of glass. When very hot water is poured into the glass tumbler, the inner layer of the glass heats up and expands faster than the outer layer. The thick glass tumbler has a larger volume than the thin glass tumbler, so the difference in expansion between the inner and outer layers is greater, which leads to uneven expansion and eventually causes the glass to crack. Glass is not a crystal, but it is a poor conductor of heat, which means it doesn't conduct heat as easily as metal, for example. However, this doesn't prevent the uneven expansion of glass when exposed to a sudden change in temperature.
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