CBSE Class 7 Answered
Can transfer of heat by convention occur in solids? Why?
Asked by Suman | 14 Jul, 2017, 07:24: PM
Expert Answer
1) Convection mode takes place when there is a flow of fluid or there is motion in fluid and the heat gets transferred from one point to the other.
2) In a solid, there is no flow as the solid is firm. The only motion in a solid is the vibrations of atoms. This vibration transfers the heat energy from one point to the other by the process of conduction.
3) Hence, heat transfer by convection never occurs in a solid.
Answered by Romal Bhansali | 15 Jul, 2017, 06:25: PM
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