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संबंधित प्रश्न
On a winter day the temperature of the tap water is 20°C whereas the room temperature is 5°C. Water is stored in a tank of capacity 0.5 m3 for household use. If it were possible to use the heat liberated by the water to lift a 10 kg mass vertically, how high can it be lifted as the water comes to the room temperature? Take g = 10 m s−2.
Explain, why are soft drink bottles not completely filled?
In cold countries, the water pipes are covered with poor conductors. Why?
Observe the given graph and answer the following questions:
- Name the process represented in the figure.
- At what temperature does this process take place?
While studying anomalous behaviour of water in Hope’s apparatus, the upper temperature of the thermometer : 0 °C : : lower temperature of the thermometer : _______
Write the name.
The instrument used to study anomalous behaviour of water.
In cold regions, in winter the pipes for water supply break.
Write scientific reason.
Fish can survive even in frozen ponds in cold regions.
