Question 32
Heat can be transferred in three ways. One of them requires a movement of matter as a medium to carry the heat from the hotter to the colder region. For example, heat transfer process in water when it is boiled in a pot. The direction of heat transfer in the pot is illustrated as in the figures below. The process whereby heat is transferred by mass movement of medium from one place to another is called convection.
Three thermometers are inserted into the boiling water in a large pot as shown in Figure below. If the distances from each thermometer to the point O are same, which one is the coldest thermometer? Sort form the coldest thermometer to the warmest one. Please explain the reason!


Three thermometers are inserted into the boiling water in a large pot as shown in Figure below. If the distances from each thermometer to the point O are same, which one is the coldest thermometer? Sort form the coldest thermometer to the warmest one. Please explain the reason!

