MCQOPTIONS
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| 1. |
The diffusion co-efficient of Ni in Cu at 1000 K is 1.93 × 10-16 m2S-1 and it is 1.94 × 10-14 m2S- 1 at 1200 K. The activation energy (in k. J.mole-1) for the diffusion of Ni in Cu is_________________? |
| A. | 130 |
| B. | 180 |
| C. | 230 |
| D. | 250 |
| Answer» D. 250 | |