Question
Write the difference between conduction, convection, and radiation.
| Conduction | Convection | Radiation |
| Heat is transferred without the actual movement of the molecules | Heat transfer takes place due to the movement of the molecules themselves. | Heat is transferred without a medium. |
| Conduction is possible only in solids with the exception of mercury which is a liquid | Convection takes place in liquids and gases only. | Radiation requires no medium. It takes place even in vacuum. |
| Transfer is slow | Transfer is faster | Transfer is the fastest |
| Heat transfer can be in any direction. | Heat transfer is mainly upwards. | Heat transfer takes place in all direction. |
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