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प्रश्न
What do you mean by the anomalous expansion of water?
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उत्तर
The expansion of water when it is cooled from 4°C to 0°C is known as the anomalous expansion of water.
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संबंधित प्रश्न
Water is used as a cooling agent.
Give reason of Ice floats on water.
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.
A 50 kg man is running at a speed of 18 km h−1. If all the kinetic energy of the man can be used to increase the temperature of water from 20°C to 30°C, how much water can be heated with this energy?
At what temperature is the density of water is maximum? State its value.
Explain the following
Fishes survive in ponds even when the atmospheric temperature is well below 0°C.
What do you understand by the anomalous expansion of water?
Explain, why are soft drink bottles not completely filled?
Give reasons for the following:
Even when the water in the lakes is frozen, fish can survive.
Name the following diagram appropriately.
