what is convection and radiation explain with diagram ? ( don't teach from Google)
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Radiation: Radiation is a process where no medium is required for transfer of heat. Heat from the sun reaches us via radiation and the heat transferred from one body to another is known as radiant heat. This radiation is invisible to the human eye, but radiation from hot bodies can be felt by touch.
Convection: Convection is a process in which heat is transferred due to the movement of molecules or particles within the fluids such as liquids and gases.
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