Question

Hi.........
Difference between conduction ,convection and radiation ........more than 2 points

Answer 1

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Conduction is a process in which transfer of heat takes place between objects by direct contact. Convection refers to the form of heat transfer in which energy transition occurs within the fluid. Radition is the mechanism in which heat is transmitted without any physical contact between objects.

Conduction represent how heat travels between objects in direct contact. Convection represents how heat passes through fluids. Radiation represents how heat flows through empty spaces.

Conduction is caused due to temperature difference. Convection is caused due to density difference. Radiation occurs from all objects, at temperature greater than 0 K.

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