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प्रश्न
Solids ______ on heating and ______ on cooling.
उत्तर
Solids expand on heating and contract on cooling.
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संबंधित प्रश्न
One rod of copper and another identical rod of iron are heated to the same rise in temperature. Which rod will expand more? Give reason.
Why is one end of a steel girder in a bridge kept on rollers instead of fixing it in pillar?
Describe an experiment to show that same volume of different liquids heated to same rise in temperature expand by different amounts.
100 ml of each of the following liquid is heated from 10°C to 50°C. Which will expand more : (a) water (b) benzene (c) alcohol?
An iron washer is heated State the effect on its density.
Define the following term:
Coefficient of superficial expansion
A bimetal strip is shown in the below diagram before heating. Draw a diagram to show how it bends on heating and on cooling.
The expansion in volume is called linear expansion.
Analogy:
Expansion is length:: Linear expansion.
Expansion in volume:: ______.
