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प्रश्न
What is thermal expansion?
उत्तर
The expansion of a substance on heating is called thermal expansion.
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संबंधित प्रश्न
A longer rod expands ........... than a shorter rod on being heated to the same temperature.
Iron rims are heated before they are fixed on the wooden wheels.
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.
At what temperature the pure water has (a) maximum density (b) minimum volume?
What is meant by thermal expansion?
Give reason for the following
An ordinary glass bottle cracks when boiling water is poured into it, but a borosilicate glass bottle does not.
The expansion in volume is called linear expansion.
