Discuss all three modes of transfer of heat with examples.
Answers
Answer:
The three types of heat transfer
Heat is transfered via solid material (conduction), liquids and gases (convection), and electromagnetical waves (radiation). Heat is usually transfered in a combination of these three types and seldomly occurs on its own.
Answer:
In our everyday life, it has been observed that when a pan full of water is boiled on a flame, its temperature increases, but when the flame is turned off, it slowly cools down.
This is because of the phenomenon of heat transfer taking place between the pan full of water and the flame. It has been established that heat transfer takes place from hotter objects to colder objects.
Different Modes of Heat Transfer - Conduction, Convection & Radiation
When there are objects which are at different temperatures or there is an object at a different temperature from the surroundings, then the transfer of heat takes place so that the object and the surrounding, both reach an equilibrium temperature.
There are three modes of heat transfer.
Conduction
Convection
Radiation
Example
Conduction example: When frying vegetables in a pan. Heat transfer takes place from flame to the pan and then to the vegetables.