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प्रश्न
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उत्तर
It can be seen from the graph that the volume of the water decrease from 0°C to 4°C and the volume is minimum at 4°C. After 4°C, the volume increases with the increase in temperature.

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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.
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.
Water is heated from 0°C to 4°C. Will it expand?
An iron washer is heated. State the effect on its external.
At what temperature the pure water has (a) maximum density (b) minimum volume?
What is meant by thermal expansion?
Distinguish between a clinical and a laboratory thermometer.
Analogy:
Ordinary glass:: Glass tumbler.
Pyrex glass:: ______.
