MCQOPTIONS
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MCQOPTIONS
| 1. |
Gradient of refractive index is ____________ |
| A. | Change in the refractivity with respect to height |
| B. | Change in the height with respect to refractivity |
| C. | Change in the refractivity with respect to Pressure |
| D. | Change in the refractivity with respect to temperature |
| Answer» B. Change in the height with respect to refractivity | |