Differentiate convection and radiation.
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convection is the movement of heat by actual motion of matter; radiation is the transfer of energy with the help of electromagnetic waves.
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Answer: CONVECTION
1.CONVECTION IS THE MOVEMENT OF HEAT ENERGY BY DIRECT CONTACT WHILE RADIATION IS THE TRANSFER OF ENERGY WITH THE HELP PF ELECTROMAGNETIC WAVES.
2. DUE TO TEMPERATURE DIFFERENCE ON CONDUCTION HEAT TRAVELS BETWEEN OBJECTS IN DIRECT CONTACT WHILE HEAT FLOWS THROUGH EMPTY SPACES IN RADIATION.
3. IN CONDUCTION WE USES HEATED SOLID SUBSTANCES WHILE IN RADIATION WE USE ELECTROMAGNETIC WAVES.
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