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प्रश्न
If you heat a circular disk with a hole, what change do you expect in the diameter of the hole? Remember that the effect of heating increases the separation between any pair of particles.
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उत्तर
- If I heat a circular disk with a hole the diameter of the hole will increase.
- Because thermal expansion takes place when we heat the disk.
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संबंधित प्रश्न
Iron rims are heated before they are fixed on the wooden wheels.
Describe an experiment to showthat air expands on heating.
Describe an experiment to show that same volume of different liquids heated to same rise in temperature expand by different amounts.
Give scientific reason.
The telephone wires which sag in summer become straight 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.
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The expansion in volume is called linear expansion.
