APFIVE Microscopic Basis of Thermal Equilibrium
Two metal blocks with different initial temperatures are placed in contact. Which microscopic process is primarily responsible for the eventual establishment of thermal equilibrium between them?
A
Conversion of potential energy to thermal energy at the interface
B
Electron migration from the hotter block to the cooler block
C
Collisions between particles at the interface transferring kinetic energy
D
Electromagnetic radiation exchange between the blocks
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