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संबंधित प्रश्न
How does the anomalous expansion of water help aquatic organisms in cold climates?
Explain the following:
How can you relate the formation of water droplets on the outer surface of a bottle taken out of refrigerator with formation of dew?
Describe an experiment to show that water has maximum density at 4°C. What important consequences follow this peculiar property of water? Discuss the importance of this phenomenon in nature.
Density of water is maximum at :
A deep pond of water has its top layer frozen. What will be the likely temperature of water layer at the bottom of the pond?
Study the following diagrams and write down your observations.
What is the criterion of choosing the two metals for a bimetal strip?
What will be the approximate temperature of water in the lake shown in the following diagram?
(i) At X, and
(ii) At Y?
In cold regions, in winter the pipes for water supply break.
Observe the following diagram and write the answers to the questions given below.
- Which process does the graph represent?
- What is the range of temperature responsible for the behaviour?
