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प्रश्न
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उत्तर
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संबंधित प्रश्न
Water is cooled from 4 °C to 0 °C. It will :
What do you understand by the anomalous expansion of water?
The following diagrams illustrate three situations involving thermometers which are labeled A, Band C. In each situation the thermometers indicate different readings.
(i) What do you expect the approximate reading of the thermometer B and C would be? Give a reason for your answer.
(ii) How would the readings of A and B help you in calibrating a thermometer?
Give reasons for the following:
Even when the water in the lakes is frozen, fish can survive.
In cold regions, in winter the pipes for water supply break.
Write scientific reason.
Fish can survive even in frozen ponds in cold regions.
Write scientific reason.
Placing a plastic bottle filled with water in the freezing compartment in the freezer can cause the bottle to explode.
