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प्रश्न
Define the following term:
Coefficient of cubical expansion
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उत्तर
The coefficient of volume expansion is equal to the change in volume of a rod of volume 1m3 when its temperature rises by 1°c.
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संबंधित प्रश्न
State three factors on which depend the linear expansion of a metal rod on heating.
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?
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.
An empty glass bottle is fitted with a narrow tube at its mouth. The open end of the tube is kept in a beaker containing water. When the bottle is heated, bubbles of air are seen escaping into water. Explain the reason.
At what temperature the pure water has (a) maximum density (b) minimum volume?
Solids ______ on heating and ______ on cooling.
The expansion in volume is called linear expansion.
