Question
Differentiate between conduction, convection and radiation.
✓
Answer
| Basis | Conduction | Convection | Radiation |
| Medium required | Conduction requires a material medium and mainly occurs in solids. | Convection requires a material medium and occurs in liquids and gases. | Radiation does not require any medium and can occur in a vacuum. |
| Method of heat transfer | Heat is transferred from particle to particle without actual movement of the particles. | Heat is transferred by the actual movement of heated particles. | Heat is transferred in the form of electromagnetic waves. |
| Example | A metal rod becomes hot when one end is heated. | Water circulates when heated in a vessel. | Heat from the Sun reaches the Earth. |
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