People prefer to wear cotton clothes in summer season. This is due to the fact that cotton clothes are

In an earthen pitcher, the water remains cold due to the process of

The process of heat transfer from one point to another in a fluid due to the differences in fluid density is called:

What is the principle by which a cooling system(Radiator) in a motor car works:

Which one among the following statements with reference to the properties of water is not correct ?

In a pressure cooker, the temperature at which the food is cooked depends mainly upon which of the following?