MCQOPTIONS
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| 1. |
Thermal diffusivity of a substance is . |
| A. | proportional of thermal conductivity |
| B. | inversely proportional to k |
| C. | proportional to (k) |
| D. | inversely proportional to k2 |
| E. | none of the above. |
| Answer» B. inversely proportional to k | |