MCQOPTIONS
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MCQOPTIONS
| 1. |
Refractive index is directly proportion to ___________ |
| A. | ( sqrt{ _r} ) |
| B. | (1/ sqrt{ _r} ) |
| C. | <sub>r</sub> |
| D. | 1/ <sub>r</sub> |
| Answer» B. (1/ sqrt{ _r} ) | |