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प्रश्न
What difference do you think heating the solid will make in their molecules?
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उत्तर
- When we heat solids the vibrations and movement of molecules will increase.
- The temperature of the object increases.
- The distance between molecules will increase.
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संबंधित प्रश्न
Two iron rods – one 10 m long and the other 5 m long, are heated to the same rise in temperature. Which will expand more?
Two identical rods of copper are heated to different temperatures — one by 5°C and the other by 10°C. Which rod will expand more?
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Describe an experiment to show that same volume of different liquids heated to same rise in temperature expand by different amounts.
Define the following term:
Coefficient of cubical expansion
Give reasons for the following:
In cold countries, water pipes burst in winter.
A bimetal strip is shown in the below diagram before heating. Draw a diagram to show how it bends on heating and on cooling.
Give reason for the following
An ordinary glass bottle cracks when boiling water is poured into it, but a borosilicate glass bottle does not.
When we cool the liquid it will become ______.
