Heat is transferred in gas through …
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Meghna Thapar 5 years, 5 months ago
Radiation is a method of heat transfer that does not rely upon any contact between the heat source and the heated object. The energy lost is emitted as light or electromagnetic radiation. Energy that is absorbed by an atom causes its electrons to "jump" up to higher energy levels. All objects absorb and emit radiation. Heat energy is transferred from hot places to cooler places by convection. Liquids and gases expand when they are heated. This is because the particles in liquids and gases move faster when they are heated than they do when they are cold. As a result, the particles take up more volume.
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