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प्रश्न
An iron washer is heated State the effect on its density.
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उत्तर
Density decreases.
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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.
A longer rod expands ........... than a shorter rod on being heated to the same temperature.
Describe an experiment to showthat air expands 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.
What is meant by thermal expansion?
Distinguish between a clinical and a laboratory thermometer.
Give reason for the following
An ordinary glass bottle cracks when boiling water is poured into it, but a borosilicate glass bottle does not.
Explain thermal expansion with suitable examples.
The expansion in volume is called linear expansion.
