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प्रश्न
What is meant by thermal expansion?
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उत्तर
The increase in size of a body on heating is called thermal expansion.
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संबंधित प्रश्न
Equal volumes of different liquids expand by a different amount when they are heated to the same rise in temperature.
State three factors on which depend the linear expansion of a metal rod on heating.
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.
Describe an experiment to show that same volume of different liquids heated to same rise in temperature expand by different amounts.
An iron washer is heated State the effect on its density.
Thermal expansion is always a nuisance.
Analogy:
Expansion is length:: Linear expansion.
Expansion in volume:: ______.
How solids are expanded on heating?
