Advertisements
Advertisements
प्रश्न
What do you understand by the anomalous expansion of water?
Advertisements
उत्तर
Anomalous expansion: A liquid that does not behave like a normal liquid on heating or cooling is said to have anomalous expansion. On heating or cooling, water does not behave like a normal liquid. The volume of water increases if we heat or cool it, provided initially the water is at 4°C.
APPEARS IN
संबंधित प्रश्न
The amount of water vapour in air is determined in terms of its ______.
Observe the following graph. Considering the change in volume of water as its temperature is raised from 0°C, discuss the difference in the behaviour of water and other substances. What is this behaviour of water called?
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?
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.
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?
Give reasons for the following:
Even when the water in the lakes is frozen, fish can survive.
Write the name.
The instrument used to study anomalous behaviour of water.
