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प्रश्न
Why does a thick glass tumbler crack when very hot water is poured in it?
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उत्तर
Why does a thick glass tumbler crack when very hot water is poured in it?
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संबंधित प्रश्न
Explain the following:
In cold regions in winter, the rocks crack due to anomalous expansion of water.
On what basis and how will you determine whether air is saturated with vapour or not?
Draw a graph to show the variation in density of water with temperature in the range from 0°C to 10°C.
Water is cooled from 4 °C to 0 °C. It will :
The following figure shows a metal cylinder, containing boiling water. One half side A is polished and another half, B is painted black. Two thin metal sheets X and Y are painted black and have one rubber stopper fixed with wax on each sheet. These sheets are equidistant from the boiling water (container A, B) as shown in the diagram. What would you expect to happen after a few minutes? Give a reason for your answer.
In a region with a cold climate the aquatic animals can survive at 4 °C, because _______.
Observe the following diagram and write the answers to the questions given below.
- Which process does the graph represent?
- What is the range of temperature responsible for the behaviour?
Name the following diagram appropriately.
Write a short note.
Anomalous behaviour of water
