Question:medium

Arrange the following options in decreasing order:
A. The activation energy for lattice diffusion is \(Q_l\),
B. The activation energy for dislocation core is \(Q_d\),
C. The activation energy for grain boundaries is \(Q_g\),
D. The activation energy for surface is \(Q_s\).

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Activation energy for diffusion is generally highest in the lattice and lowest on the surface.
Updated On: May 19, 2026
  • D \(>\) A \(>\) B \(>\) C
  • A \(>\) C \(>\) B \(>\) D
  • A \(>\) B \(>\) C \(>\) D
  • B \(>\) C \(>\) D \(>\) A
Show Solution

The Correct Option is B

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