define radiation and convection in one line
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convection means movement of heat by actual motion of matter....
Radiation means transfer of energy by electromagnetic ways....
Radiation means transfer of energy by electromagnetic ways....
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radiation it is transfer of heat from a hot object to a cold object by means of Ray's It does not need a medium to travel
convection it is transfer of heat from Hotter part to the colder part of a liquid or gas due to the movement of heated particles in a medium
convection it is transfer of heat from Hotter part to the colder part of a liquid or gas due to the movement of heated particles in a medium
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