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प्रश्न
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संबंधित प्रश्न
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.
Explain the following
A glass bottle completely filled with water and tightly closed at room temperature is likely to burst when kept in the freezer of a refrigerator.
Density of water is maximum at :
Explain, why are soft drink bottles not completely filled?
What are hot spots? How can you extract energy from a hot spot, if it does not come in contact with underground water?
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?
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?
