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