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When heat is transferred from one particle of hot body to another by actual motion of the heated particles, it is referred to as heat transfer by
Answer & Solution
Correct Answer:
Option
A
Conduction transfers heat via direct molecular collision. An area of greater kinetic energy will transfer thermal energy to an area with lower kinetic energy. Higher-speed particles will collide with slower speed particles. The slower-speed particles will increase in kinetic energy as a result.
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LoginConduction → Heat transfer without movement of particles (vibration & free electrons).
Convection → Heat transfer with movement of particles (liquids and gases).
Radiation → Heat transfer through electromagnetic waves (no medium needed).
Conduction is mainly associated with the transferring vibrational energy (up to 30%) and also due to free electrons(70%).In conduction there is no any motion of heated particles. convection is associated with the molecular momentum transfer.
Conduction is mainly associated with the transferring vibrational energy (up to 30%) and also due to free electrons(70%).In conduction there is no any motion of heated particles. convection is associated with the molecular momentum transfer.