MCQOPTIONS
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| 1. |
spherical convex surface separates object and image space of refractive index 1 and 4/3 respectively. If radius of curvature of the surface is 0.1 m, its power is : |
| A. | 2.5 D |
| B. | -2.5 D |
| C. | 3.3 D |
| D. | -3.3 D |
| Answer» B. -2.5 D | |