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1. |
Assume that on average an interstitial B-atom jumps 10 times per second. The distance between the plane is given by 2m. Then, calculate the coefficient of diffusion of B atoms? (In m2/s) |
A. | 20/3 |
B. | 40/3 |
C. | 10/3 |
D. | 6 |
Answer» B. 40/3 | |