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प्रश्न
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?
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उत्तर
At the bottom of pond is 4°C.
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संबंधित प्रश्न
Water is used as a cooling agent.
Give reason for Sea water does not freeze at 0°C.
On what basis and how will you determine whether air is saturated with vapour or not?
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.
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 hollow glass sphere which floats with its entire volume submerged in water at 4°C, sinks when water is heated above 4°C.
_______ apparatus is used to study the anomalous behaviour of water.
Write a short note.
Anomalous behaviour of water
