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प्रश्न
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उत्तर
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संबंधित प्रश्न
Give reason of Water pipes burst in severe winter.
The amount of water vapour in air is determined in terms of its ______.
How do fishes survive in frozen lakes?
Explain, why does a glass bottle completely filled with water and tightly capped burst when placed in a freezer?
Why does a thick glass tumbler crack when very hot water is poured in it?
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?
Study the following diagrams and write down your observations.
Give reasons for the following:
Even when the water in the lakes is frozen, fish can survive.
