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Difference between conduction,convection and radiation

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There are three modes of heat transfer,conduction,convection and radiation.In the process of conduction heat transfer from hot body to cold body due to free electrons.In convection heat transfer due to actual movement of molecules,While in radiation heat transfer in the form of electromagnetic waves.difference between conduction,convection and radiation

There are three different ways of heat transfer.If you learn difference between conduction,convection and radiation,then you are at the right place.So,stay with us for few minutes.

 

ConductionConvectionRadiation
Heat transfer by conduction  is the process in which heat transfer from hot body to cold body due to free electrons.Convection heat transfer is the process in which heat transfer in fluids due to the actual movement of molecules.Radiation is the process of heat transfer in which heat transfer without any medium or directly.
It occurs due temperature difference.It occurs due to density difference.It occurs in all objects, at the temperature above 0k.
It occurs only in solids.It occurs in liquids and gas (fluids).It occurs in all objects of solids, liquids and gas at temperature above ok or absolute temperature.
This process has slow speed.It is also a slow speed process.It is a fast speed process.
Conduction does not follow laws of reflection.Convection like conduction does not follow laws of reflection.Like other two modes of heat transfer conduction and convection ,radiation also not follows laws of reflection.

 

Watch video to learn about the difference between heat transfer methods by conduction,convection and radiation.

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