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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
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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At what temperature the pure water has (a) maximum density (b) minimum volume?
What are the different types of thermal expansions?
Distinguish between a clinical and a laboratory thermometer.
Give reasons for the following:
In cold countries, water pipes burst in winter.
Give reason for the following
An ordinary glass bottle cracks when boiling water is poured into it, but a borosilicate glass bottle does not.
Analogy:
Ordinary glass:: Glass tumbler.
Pyrex glass:: ______.
How solids are expanded on heating?
